1.

If 2 sin ^(2) x + sin ^(2) 2 x = 2 then x = ____

Answer»

` n PI + (pi)/( 2) ,n in Z`
`2n pi pm (pi)/(3) , n in Z`
`n pi + (-1) ^(n) (pi)/(6), n in Z`
`2n pi pm (pi)/(6) , n in Z`

Answer :A


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