The values of x, between 0 and 2 pi, sat...

The values of x, between 0 and `2 pi`, satisfying the equaion `cos 3 x + cos 2 x = sin""(3x)/(2) + sin ""(x)/(2)` are

A

`x=1/7(4n+-1)pi`

B

`x=1/7(2n+-1)pi`

C

`x=1/7(n+-1)pi`

D

none of above

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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