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The arange of the function f(x) =(3- co...

The arange of the function ` f(x) =(3- cos 2x) ^(-1)` is-

A

`[(1)/(4) , 1]`

B

`[-(1)/(4),(1)/(2)]`

C

`[-(1)/(2), -(1)/(4)]`

D

`[(1)/(4), (1)/(2)]`

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The correct Answer is:
D
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