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tan^(- 1)((sqrt(1+x)+sqrt(1-x))/(sqrt(1+...

`tan^(- 1)((sqrt(1+x)+sqrt(1-x))/(sqrt(1+x)-sqrt(1-x)))`

A

`(pi)/(2)-cos^(-1)x`

B

`(pi)/(2)+cos^(-1)x`

C

`(pi)/(4)-(1)/(2)cos^(-1)x`

D

`(pi)/(4)+(1)/(2)cos^(-1)x`

Text Solution

Verified by Experts

The correct Answer is:
C
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