The period of f(x)=sin((pix)/(n-1))+ cos...

The period of `f(x)=sin((pix)/(n-1))+ cos ((pix)/(n)), n in Z, n gt 2`, is

A

`2pi n (n-1)`

B

`4n (n-1)`

C

`2n (n-1)`

D

None of these

Verified by Experts

The correct Answer is:

C

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