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If: (1- cos 2x)/(1+ cos 2x)=3, then: x =...

If: `(1- cos 2x)/(1+ cos 2x)=3`, then: x =

A

`2npi +- pi/6`

B

`npi +- pi/6`

C

`2npi +- pi/3`

D

`npi +- pi/3`

Text Solution

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The correct Answer is:
D
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