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If y=tan^(-1)[(sinx-cosx)/(cosx-sinx)] t...

If `y=tan^(-1)[(sinx-cosx)/(cosx-sinx)]` then `(dy)/(dx)` is

A

`1/2`

B

`pi/2`

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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