Complete the Identity $\sin ( 4 \theta ) = ?$ A) $1 - 8 \sin ^ { 2 } \theta \cos ^ { 2 } \theta$

Multiple Choice

Complete the identity.
- $\sin ( 4 \theta ) = ?$

A) $1 - 8 \sin ^ { 2 } \theta \cos ^ { 2 } \theta$
B) $4 \sin \theta \cos ^ { 3 } \theta - 4 \sin ^ { 3 } \theta \cos \theta$
C) $3 \sin \theta - 4 \sin ^ { 3 } \theta$
D) $\cos ^ { 3 } \theta - 3 \sin ^ { 2 } \theta \cos \theta$