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

question 351

Multiple Choice

Use the information given about the angle $$\theta , 0 \leq \theta \leq 2 \pi$$ , to find the exact value of the indicated trigonometric function.
- $\sin \theta = - \frac { 4 } { 5 } , \frac { 3 \pi } { 2 } < \theta < 2 \pi \quad$ Find $\cos ( 2 \theta ) .$

• A) \(\frac { 24 } { 25 }\)
• В) \(\frac { 7 } { 25 }\)
• C) \(- \frac { 7 } { 25 }\)
• D) \(- \frac { 24 } { 25 }\)

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