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The general solution of sinx - 3 sin 2x...

The general solution of `sinx - 3 sin 2x + sin3x = cos x - 3 cos 2x + cos 3x ` is.

A

`n pi +(pi)/(8)`

B

`(n pi)/(2)+(pi)/(8)`

C

`(-1)^(n) (n pi)/(2)+(pi)/(8)`

D

`2 n pi + cos^(-1) ""(3)/(2)`

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The correct Answer is:
C
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