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Which of the following function is perio...

Which of the following function is periodic with fundamental period `pi`?

A

`f (x) =cos x|(sin x)/(2)|,` where `[.]` denotes greatest integer function

B

`g(x) =(sin x+ sin 7x)/(cos x+ cos 7x) + |sin x|`

C

`h (x) ={x}+|cos x| ,` where `{.}` denotes functional part function

D

`phi(x)=|cos x|+ ln (sin x)`

Text Solution

Verified by Experts

The correct Answer is:
B
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