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If y=tan^(-1)((sin x + cos x)/(cos x - s...

If `y=tan^(-1)((sin x + cos x)/(cos x - sin x))`, then `(dy)/(dx)` is equal to

A

(1/2)

B

0

C

1

D

(-1)

Text Solution

Verified by Experts

The correct Answer is:
C
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