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Use the Information Given About the Angle θ,0θ2π\theta , 0 \leq \theta \leq 2 \pi

Question 220

Multiple Choice

Use the information given about the angle θ,0θ2π\theta , 0 \leq \theta \leq 2 \pi , to find the exact value of the indicated trigonometric function.
- cscθ=32,tanθ>0\csc \theta = - \frac { 3 } { 2 } , \quad \tan \theta > 0 \quad Find cos(2θ) \cos ( 2 \theta )


A) 459\frac { 4 \sqrt { 5 } } { 9 }

В) 19- \frac { 1 } { 9 }

C) 19\frac { 1 } { 9 }

D) 459\frac { - 4 \sqrt { 5 } } { 9 }

Correct Answer:

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