The general solution to the equation 8co...

The general solution to the equation `8cosxcos2xcos4x=sin6xsinx` is

A

`x=npi//7+pi//21,A ninZ`

B

`x=2pi//7+pi//14,AAn inZ`

C

`x=npi//7+pi//14,AA n inZ`

D

`x=npi=pi//14,AAninZ`

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The correct Answer is:

C

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