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If sin (cot^(-1)(1-x))=cos(tan^(-1)(-x))...

If `sin (cot^(-1)(1-x))=cos(tan^(-1)(-x))`, then x is

A

`-1`

B

`-(1)/(2)`

C

0

D

1

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EDUCART PUBLICATION-SAMPLE PAPER 11 -SECTION- B
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