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2cosx-cos3x-cos5x=...

`2cosx-cos3x-cos5x=`

A

`16 cos ^(3) x sin ^(2) x`

B

` 16 sin^(2) x cos ^(2) x`

C

` 4 cos ^(2) x sin ^(2) x`

D

` 4 sin ^(2) x cos ^(2)x`

Text Solution

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The correct Answer is:
A
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