trigonometric equations and identities mark scheme...(i) 2 0 i = 68.2 2x+6s.2 —90 or subtracting...
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![Page 1: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/1.jpg)
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Trigonometric Equations and Identities - Edexcel Past Exam Questions MARK SCHEME
Question 1 : Jan 05 Q4
![Page 2: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/2.jpg)
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Question 2 : June 05 Q5
![Page 3: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/3.jpg)
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Question 3 : Jan 06 Q8
![Page 4: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/4.jpg)
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Question 4 : June 06 Q6
![Page 5: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/5.jpg)
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Question 5 : Jan 08 Q4
![Page 6: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/6.jpg)
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Question 6 : June 08 Q9
![Page 7: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/7.jpg)
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Question 7 : Jan 09 Q8
![Page 8: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/8.jpg)
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Question 8 : June 09 Q7
![Page 9: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/9.jpg)
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Question 9 : Jan 10 Q2
![Page 10: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/10.jpg)
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Question 10 : June 10 Q5
![Page 11: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/11.jpg)
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Question 11 : Jan11 Q7
![Page 12: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/12.jpg)
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Question 12 : June 11 Q7
![Page 13: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/13.jpg)
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![Page 14: Trigonometric Equations and Identities MARK SCHEME...(i) 2 0 i = 68.2 2x+6s.2 —90 or Subtracting and dividing by 2 (at least once) (ii) 25sin2 2x = 4cos2 40 —sin 2 2x) 29sin2 2x](https://reader035.vdocument.in/reader035/viewer/2022062415/608a7b4af5cc3d4d6172ac6c/html5/thumbnails/14.jpg)
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