div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails1jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails2jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails3jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails4jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails5jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails6jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails7jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails8jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails9jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails10jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails11jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails12jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails13jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails14jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails15jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails16jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails17jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails18jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails19jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails20jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails21jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails22jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails23jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails24jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails25jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails26jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails27jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails28jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imageimg data-url=teachingbd24-sin-a-cos-a-i-sin-a-cos-a-sin-a-cos-a-sin-a-coseca-seca-htmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: Teachingbd24sin A cos A I sin A cos A sin A cos A sin A cosecA secA + I = secAcosecA + I cos A 4 Ans 16xy — 16xy —V sec tan cos 9 — cot cote = — tan9 tan9 cose loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer20220130116119ed749e36c015a772f093html5thumbnails29jpg width=140 height=200 divphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdiv
