1.

The statement (3sin^(4)x-2cos^(6)x+y-2sin^(6)x+3cos^(4)x)^(2)=9 is true of

Answer»

`x=(5pi)/13` and `y=2`
`x=(7pi)/16` and `y=-4`
`x=(pi)/7` and `y=1`
`x=(pi)/5` and `y=-1`

ANSWER :A::B


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