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Evaluate the Integral 2cos33xdx\int 2 \cos ^ { 3 } 3 x d x

Question 13

Multiple Choice

Evaluate the integral.
- 2cos33xdx\int 2 \cos ^ { 3 } 3 x d x


A) 23sin3x+29sin33x+C\frac { 2 } { 3 } \sin 3 x + \frac { 2 } { 9 } \sin ^ { 3 } 3 x + C
B) 23sin3x29cos33x+C\frac { 2 } { 3 } \sin 3 x - \frac { 2 } { 9 } \cos ^ { 3 } 3 x + C
C) 23sin3x29sin33x+C\frac { 2 } { 3 } \sin 3 x - \frac { 2 } { 9 } \sin ^ { 3 } 3 x + C
D) 2sin3x23sin33x+C2 \sin 3 x - \frac { 2 } { 3 } \sin ^ { 3 } 3 x + C

Correct Answer:

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