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Prove that tan^(-1)((cosx-sinx)/(cosx+si...

Prove that `tan^(-1)((cosx-sinx)/(cosx+sinx))=(pi/4-x), x lt pi`.

A

`-x`

B

`x`

C

`(pi)/(4)-x`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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