Write the Product as a Sum or Difference of Trigonometric $- 8 \cos ( - \theta ) \sin ( - 6 \theta )$

Write the product as a sum or difference of trigonometric functions.
- $- 8 \cos ( - \theta ) \sin ( - 6 \theta )$

A) $4 ( \sin 7 \theta - \sin 5 \theta )$
B) $- 4 ( \cos 7 \theta - \cos 5 \theta )$
C) $- 8 ( \cos 7 \theta + \cos 5 \theta )$
D) $4 ( \sin 7 \theta + \sin 5 \theta )$

Correct Answer:

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