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

question 20

Multiple Choice

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) \(2 \sin \theta \cos ( 3 \theta )\)

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