Use the Power-Reducing Formulas
- $\cos ^ { 3 } x$

question 83

Multiple Choice

Use the Power-Reducing Formulas
- $\cos ^ { 3 } x$

• A) \(\frac { 3 } { 4 } \cos x + \frac { 1 } { 4 } \cos 3 x\)
• B) \(\frac { 3 } { 4 } \cos x - \frac { 1 } { 4 } \cos 3 x - \cos 2 x\)
• C) \(\frac { 3 } { 4 } \cos x - \frac { 1 } { 4 } \cos 3 x\)
• D) \(\frac { 3 } { 4 } \cos x + \frac { 1 } { 4 } \cos 3 x + \cos 2 x\)

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