Use the Power-Reducing Formulas
- $8 \cos ^ { 2 } x$

question 130

Multiple Choice

Use the Power-Reducing Formulas
- $8 \cos ^ { 2 } x$

• A) \(4 + 4 \cos 2 x\)
• B) \(4 - 4 \cos 2 x\)
• C) \(1 + \cos 2 x\)
• D) \(16 \cos x\)

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