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intcos^(-3/7)xsin^(-11/7)xdx=...... A) ...

`intcos^(-3/7)xsin^(-11/7)xdx=`...... A) `(-7/4)tan^(-4/7)x+c` B) `log(sin^(-4/7)x)+c` C) `(4/7)tan^(4/7)x+c` D) `log(cos^(3/7)x)+c`

A

log(`sin^(-4/7)` x) + c

B

(4/7) `tan^(4/7)` x + c

C

(-7/4) `tan^(-4/7)` x + c

D

log(`cos^(3/7)` x) + c

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