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int tanx sec^2x sqrt(1-tan^2x) dx...

`int tanx sec^2x sqrt(1-tan^2x) dx`

A

`(-1)/(3)(1-tan^2x)^((3)/(2))+c`

B

`(1)/(3)(1-tan^2x)^((3)/(2))+c`

C

`(-2)/(3)(1-tan^2x)^((3)/(2))+c`

D

`(2)/(3)(1-tan^2x)^((3)/(2))+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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