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d/(dx){tan^(-1)((cosx)/(1+sinx))}=...

`d/(dx){tan^(-1)((cosx)/(1+sinx))}=`

A

`(pi)/(4)-(x)/(2)`

B

`(pi)/(4)+(x)/(2)`

C

`(x)/(2)`

D

`(pi)/(4)-x`

Text Solution

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The correct Answer is:
A
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