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If y = cos ^(2(x)/(2)) , state which of ...

If `y = cos ^(2(x)/(2))` , state which of the following is the value of `(dy)/(dx)` ?

A

cos x

B

`(1)/(2) cos x `

C

`-(1)/(2) sin x `

D

`- sin x `

Text Solution

Verified by Experts

The correct Answer is:
C
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