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Find general solution of 4cos^2 x=1....

Find general solution of `4cos^2 x=1`.

A

`npipm(4pi)/(3), ninZ`

B

`npipm(5pi)/(3), ninZ`

C

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

D

`npipm(2pi)/(3), ninZ`

Text Solution

Verified by Experts

The correct Answer is:
C
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