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The general solution of the equation 4 s...

The general solution of the equation `4 sin 4 theta -1 =sqrt5 ` is-

A

`(npi)/(4)+ (-1) ^(n) (3pi)/(20)`

B

`(npi)/(4) +(-1) ^(n)(3pi)/(40)`

C

`(npi)/(2) +(-1) ^(n) (3pi)/(20)`

D

none of these

Text Solution

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The correct Answer is:
B
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