Use Reduction Formulas to Evaluate the Integral $$\int 8 \cos ^ { 3 } 2 x d x$$

question 453

Multiple Choice

Use reduction formulas to evaluate the integral.
- $$\int 8 \cos ^ { 3 } 2 x d x$$

• A) \(4 \sin 2 x - \frac { 4 } { 3 } \cos ^ { 3 } 2 x + C\)
• B) \(4 \sin 2 x + \frac { 4 } { 3 } \sin ^ { 3 } 2 x + C\)
• C) \(8 \sin 2 x - \frac { 8 } { 3 } \sin ^ { 3 } 2 x + C\)
• D) \(4 \sin 2 x - \frac { 4 } { 3 } \sin ^ { 3 } 2 x + C\)

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