Find the general solution of each of giv...

Find the general solution of each of given equation :
`2 cos^(2)x=1`

A

`x=npi+-(3pi)/2,` `n in z`

B

`x=npi+-pi/2,` `n in z`

C

`x=npi+-pi/4,` `n in z`

D

`x=npi+-pi/6,` `n in z`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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