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Complete the Identity $\frac { \sin ( 3 \theta ) } { \sin \theta } = ?$

Question 305

Multiple Choice

Complete the identity.
- $\frac { \sin ( 3 \theta ) } { \sin \theta } = ?$

A) $2 \sin \theta \cos \theta$
B) $\cos ( 2 \theta ) + \sin \theta \cos \theta$
C) $2 \cos ( 2 \theta )$
D) $4 \cos ^ { 2 } \theta - 1$

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