The maximum value of cos^2(pi/3-x)-cos^...

The maximum value of `cos^2(pi/3-x)-cos^2(pi/3+x)`, is

A

`- (sqrt3)/(2)`

B

`(1)/(2)`

C

`(sqrt3)/(2)`

D

`(3)/(2)`

Verified by Experts

The correct Answer is:

C

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