If x in (0,1) then the value of tan^(-1...

If `x in (0,1) ` then the value of `tan^(-1)((1-x^2)/(2x))+cos^(-1)((1-x^2)/(1+x^2))` is equal to a)`-pi/2` b)0 c)`pi/2` d)`pi`

A

`-pi/2`

B

zero

C

`pi/2`

D

`pi`

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The correct Answer is:

C

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