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f(x)= sin^(2)x + sin^(2) (x + (pi)/(3)) ...

`f(x)= sin^(2)x + sin^(2) (x + (pi)/(3)) + cos x cos (x + (pi)/(3))` then f'(x) = ………

A

1

B

`cos^(2)x`

C

0

D

sin 2x

Text Solution

Verified by Experts

The correct Answer is:
C
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