Rewrite the Following as a Product of Trigonometric Functions $\cos 11 ^ { \circ } - \cos 24 ^ { \circ }$

question 371

Multiple Choice

Rewrite the following as a product of trigonometric functions.
- $\cos 11 ^ { \circ } - \cos 24 ^ { \circ }$

• A) \(- 2 \sin 17.5 ^ { \circ } \sin \left( - 6.5 ^ { \circ } \right)\)
• B) \(- 2 \sin 17.5 ^ { \circ } \cos \left( - 6.5 ^ { \circ } \right)\)
• C) \(- 2 \cos 17.5 ^ { \circ } \sin \left( - 6.5 ^ { \circ } \right)\)
• D) \(- 2 \cos 17.5 ^ { \circ } \cos \left( - 6.5 ^ { \circ } \right)\)

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