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The expression 4cos^(4)x-2cos2x-(1)/(2)c...

The expression `4cos^(4)x-2cos2x-(1)/(2)cos4x` when simplified reduces to :

A

`(2)/(3)`

B

`(3)/(2)`

C

`-(2)/(3)`

D

`-(3)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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