1.

Values of x and y satisfying the equation sin^(7)y=|x^(2)-x^(2)-9x+9|+|x^(3)-x^(2)-4x+4|+sec^(2)2y+cos^(4)y are

Answer»

`x=1,y=npi, N in I`
`x=1, y=2npi+(pi)/2, n in I`
`x=1, y=2n pi , n INI`
`x=1, y=n pi +(pi)/2, n in I`

ANSWER :B


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