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Differentiate w.r.t. x: (i)tan^(-1){sq...

Differentiate w.r.t. x:
`(i)tan^(-1){sqrt((1+cosx)/(1-cosx))}" "(ii)tan^(-1){sqrt((1+sinx)/(1-sinx))}`

A

`(x)/(2)`

B

`(-x)/(2)`

C

`(pi)/(2)+(x)/(2)`

D

`(pi)/(2)-(x)/(2)`

Text Solution

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The correct Answer is:
A
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