1.

If 2ycos theta =x sin theta and 2x sectheta -y "cosec"theta =3, then the relation between x and y is:

Answer»

`2x^(2)+y^(2)=2`
`X^(2)+4y^(2)=4`
`x^(2)+4y^(2)=1`
`4X^(2)+y^(2)=4`

Answer :B


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