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If int(cos^(2)x)/(sin^(6)x)dx=Acot^(5)x+...

If `int(cos^(2)x)/(sin^(6)x)dx=Acot^(5)x+Bcot^(3)x+k`, then A+B equals

A

`(8)/(15)`

B

`-(8)/(15)`

C

`(15)/(8)`

D

`-(15)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
B
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