8 6 sin cos ratios
TRANSCRIPT
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8-68-6
The Sine and Cosine RatiosThe Sine and Cosine Ratios
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Review TangentReview Tangent
tanopp
xadj
X Z
Y
opp
adj
hyp
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Tangent exampleTangent example
X Z
Y
a
14
34ͦ
tan 3414
a
0.674514
a
9.4a
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What about the What about the hypotenuse?hypotenuse?
X Z
Y
a
14
34ͦ
c
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SineSine
sinopp
xhyp
X Z
Y
opp
adj
hyp
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CosineCosine
cosadj
xhyp
X Z
Y
opp
adj
hyp
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How are we going to How are we going to keep this all together?keep this all together?
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SOHCAHTOASOHCAHTOA
sin
cos
tan
oppx
adj
adjxhyp
oppx
adj
s =
c =
t =
o
ha
ho
a