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Evaluate int cos x cos 2x cos 5x dx...

Evaluate `int cos x cos 2x cos 5x dx`

Text Solution

Verified by Experts

The correct Answer is:
`= (1)/( 8) sin 2x + (1)/( 16) sin 4x + (1)/( 24) sin 6x + (1)/( 32) sin 8x + C`.
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