The value of x for which sin(cot^(-1)(1+...

The value of x for which `sin(cot^(-1)(1+x))=cos(tan^(-1)x)` is a)`1//2`b)1 c)0 d)`-1//2`

A

`1//2`

B

1

C

0

D

`-1//2`

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The correct Answer is:

D

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