2cosx-cos3x-cos5x=............... A) 16...

`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`

A

`16cos^3xsin^2x`

B

`16sin^3xcos^2x`

C

`4cos^3xsin^2x`

D

`4sin^3xcos^2x`

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