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If y=cos^(-1)cos[2sin^(-1)(cosx)] then (...

If `y=cos^(-1)cos[2sin^(-1)(cosx)]` then `(dy)/dx=`

A

2

B

`-1`

C

`-2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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PATHFINDER-APPLICATION OF DERIVATIVE-QUESTION BANK
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