Evaluate the Integral $$\int 4 \cos ^ { 4 } 6 x d x$$

question 80

Multiple Choice

Evaluate the integral.
- $$\int 4 \cos ^ { 4 } 6 x d x$$

• A) \(3 x + \frac { 1 } { 6 } \sin 6 x + \frac { 1 } { 12 } \sin 24 x + C\)
• B) \(3 x + \frac { 1 } { 6 } \sin 6 x + \frac { 1 } { 48 } \sin 12 x + C\)
• C) \(\frac { 3 } { 2 } x + \frac { 1 } { 3 } \sin 12 x + \frac { 1 } { 8 } \sin 24 x + C\)
• D) \(\frac { 3 } { 2 } x + \frac { 1 } { 6 } \sin 12 x + \frac { 1 } { 48 } \sin 24 x + C\)

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