Express the sum or difference as a product of sines and/or cosines.
-$\sin ( 4 \theta ) - \sin ( 2 \theta )$
A) $\sin ( 3 \theta ) \cos \theta$
B) $\sin \theta \cos ( 3 \theta )$
C) $2 \sin ( 3 \theta ) \cos \theta$
D) $2 \sin \theta \cos ( 3 \theta )$

Question

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The Answer of Express the sum or difference as a product of sines and/or cosines.
-$\sin ( 4 \theta ) - \sin ( 2 \theta )$
A) $\sin ( 3 \theta ) \cos \theta$
B) $\sin \theta \cos ( 3 \theta )$
C) $2 \sin ( 3 \theta ) \cos \theta$
D) $2 \sin \theta \cos ( 3 \theta )$

Express the Sum or Difference as a Product of Sines sin⁡(4θ)−sin⁡(2θ)\sin ( 4 \theta ) - \sin ( 2 \theta )sin(4θ)−sin(2θ)

Express the Sum or Difference as a Product of Sines $\sin ( 4 \theta ) - \sin ( 2 \theta )$