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

question 169

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.
- $\sin \theta = \frac { 2 \sqrt { 10 } } { 7 } , \quad \tan \theta < 0 \quad$ Find $\sin ( 2 \theta )$

• A) \(\frac { - 12 \sqrt { 10 } } { 49 }\)
• B) \(- \frac { 31 } { 49 }\)
• C) \(\frac { 12 \sqrt { 10 } } { 49 }\)
• D) \(\frac { 31 } { 49 }\)

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