If y= sin[cos^-1 {sin (cos^-1 x)}] then ...

If `y= sin[cos^-1 {sin (cos^-1 x)}]` then `(dy)/(dx)` at `x=1/2` is equal to a)0 b)-1 c)`2/sqrt3` d)1

A

0

B

`-1`

C

`2/sqrt3`

D

1

Verified by Experts

The correct Answer is:

D

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