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General solution of cot^(2)x-tan^(2)x=4c...

General solution of `cot^(2)x-tan^(2)x=4cot2x` is

A

`npipm(pi)/(3), ninZ`

B

`npipm(pi)/(2), ninZ`

C

`npipm(pi)/(6), ninZ`

D

`npipm(pi)/(4), ninZ`

Text Solution

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The correct Answer is:
D
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