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Evaluate the Integral cot3x7dx\int \frac { \cot ^ { 3 } x } { 7 } d x

Question 119

Multiple Choice

Evaluate the integral.
- cot3x7dx\int \frac { \cot ^ { 3 } x } { 7 } d x


A) 114cot2x+lnsinx+C\frac { 1 } { 14 } \cot ^ { 2 } x + \ln | \sin x | + C
B) 114cot2x17lnsinx+C- \frac { 1 } { 14 } \cot ^ { 2 } x - \frac { 1 } { 7 } \ln | \sin x | + C
C) 128cot4x+C\frac { 1 } { 28 } \cot ^ { 4 } x + C
D) 128cot4xsecx+C\frac { 1 } { 28 } \cot ^ { 4 } x \sec x + C

Correct Answer:

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