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General solution of cos3x=(1)/(sqrt(2)) ...

General solution of `cos3x=(1)/(sqrt(2))` is

A

`(2npi)/(3)pm(pi)/(12), ninZ`

B

`(npi)/(3)pm(pi)/(12), ninZ`

C

`(2npi)/(3)pm(pi)/(4)`

D

`(npi)/(3)pm(pi)/(4), ninZ`

Text Solution

Verified by Experts

The correct Answer is:
A
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