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f(x)=cos^(2)x+cos^(2)(pi/3+x)-cosx*cos(x...

`f(x)=cos^(2)x+cos^(2)(pi/3+x)-cosx*cos(x+pi/3)` is

A

0

B

`3/4`

C

1

D

`4/3`

Text Solution

Verified by Experts

The correct Answer is:
B
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