One Of the general solutions of 4 sin^(4...

One Of the general solutions of `4 sin^(4) x + cos^(4) x = 1` is

A

`n pi pm alpha //2, alpha = cos^(-1) (1//5), AA n in Z`

B

`n pi pm alpha // 2, alpha = cos ^(-1) (3//5), AA n in Z`

C

`2 n pi pm alpha//2, alpha = cos ^(-1) (1 //3), AA n in Z`

D

`n pi pm (alpha)/(2), alpha = cos^(-1) ((1)/(3)), AA n in Z`

Verified by Experts

The correct Answer is:

A

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