Write the Product as a Sum or Difference of Trigonometric $$- 8 \cos ( - \theta ) \sin ( - 5 \theta )$$

question 471

Multiple Choice

Write the product as a sum or difference of trigonometric functions.
- $$- 8 \cos ( - \theta ) \sin ( - 5 \theta )$$

• A) \(- 4 ( \cos 6 \theta - \cos 4 \theta )\)
• B) \(4 ( \sin 6 \theta - \sin 4 \theta )\)
• C) \(- 8 ( \cos 6 \theta + \cos 4 \theta )\)
• D) \(4 ( \sin 6 \theta + \sin 4 \theta )\)

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