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The domain of f(x)=(1)/(sqrt(|cos x | + ...

The domain of `f(x)=(1)/(sqrt(|cos x | + cos x))` is

A

`[-2n pi, 2n pi]`

B

`(2n pi, (2+1)pi)`

C

`(((4b+1)pi)/(2),((4n+3)pi)/(2))`

D

`(((4n-1)pi)/(2), ((4n+1)pi)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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