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int(cos^(n-1)x)/(sin^(n+1)x)dx,n ne 0 is...

`int(cos^(n-1)x)/(sin^(n+1)x)dx,n ne 0` is :

A

`(cot^(n)x)/(n)+C`

B

`-(cot^(n-1)x)/(n-1)+C`

C

`-(cot^(n)x)/(n)-C`

D

`(cot^(n-1)x)/(n-1)+C`.

Text Solution

Verified by Experts

The correct Answer is:
C
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