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int(tanx)/((1-tanx))dx...

`int(tanx)/((1-tanx))dx`

A

`(1)/(4)log|(1+sinx)/(1-sinx)|+(1)/(2(1-sinx))+c`

B

`(1)/(4)log|(1+sinx)/(1-sinx)|-(1)/(2(1-sinx))+c`

C

`(1)/(4)log|(1-sinx)/(1+sinx)|+(1)/(2(1-sinx))+c`

D

`(1)/(4)log|(1-sinx)/(1+sinx)|-(1)/(2(1-sinx))+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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