9. Unit Circle
Trigonometric Functions on the Unit Circle
Multiple Choice
Multiple ChoiceFind the sine, cosine, and tangent of each angle using the unit circle.
θ=−1.18 rad, (135,−1312)
A
sinθ=−1312,cosθ=135,tanθ=512
B
sinθ=−1312,cosθ=135,tanθ=−512
C
sinθ=1312,cosθ=135,tanθ=125
D
sinθ=135,cosθ=13−12,tanθ=125
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