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If tan^(2)theta + cos2theta=1, then the ...

If `tan^(2)theta + cos2theta=1`, then the general solution of `theta` is-

A

`npi - pi/4`

B

`2npi + pi/2`

C

`npi + pi/4`

D

`2npi - pi/4`

Text Solution

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The correct Answer is:
A, C
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