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The values of x of the equation 4sin^(4)...

The values of x of the equation `4sin^(4)x + cos^(4)x =1` are

A

`npi`

B

`npi +- sin^(-1) sqrt(2/5)`

C

`(2npi)/3`

D

`2npi +- pi/4`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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