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The general solution of sin^(2)x-2 cos x...

The general solution of `sin^(2)x-2 cos x +(1)/(4)=0` is

A

`npi+sin^(-1)(1//3)`

B

`2npipmsin^(-1)(1//3)`

C

`npi+(-1)^(n)sin^(-1)(1//3)`

D

`npi`

Text Solution

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The correct Answer is:
C
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