Period of cos(7x-5) is (a) (2pi-5)/7 ...

Period of `cos(7x-5)` is
(a) `(2pi-5)/7`
(b)` 2pi-5`
(c) `(2pi)/7`
(d) `pi/7`

A

`(2pi-5)/(7)`

B

`2pi-5`

C

`(2pi)/(7)`

D

`pi/7`

Verified by Experts

The correct Answer is:

C

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