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int(1+cos 4x)/(cotx-tanx)dx=...

`int(1+cos 4x)/(cotx-tanx)dx=`

A

`(1)/(8)cos 4x`

B

`(1)/(8)sin4x`

C

`-(1)/(8)cos 4x`

D

`-(1)/(8)sin4x`

Text Solution

Verified by Experts

The correct Answer is:
C
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