1.

If 3xsintheta+2ycostheta=4and2xsintheta-3ycostheta=2, then relation between x and y.

Answer»

`(81)/(x^(2))+(49)/(y^(2))=144`
`(36)/(x^(2))+(64)/(y^(2))=121`
`(289)/(x^(2))+(4)/(y^(2))=16`
`(256)/(x^(2))+(4)/(y^(2))=169`

Answer :A


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