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If 2ycos theta =x sin theta and 2x secth...

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

A

`2x^(2) + y^(2)=2`

B

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

C

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

D

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

Text Solution

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The correct Answer is:
B
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LUCENT PUBLICATION-ELEMENTARY TRIGONOMETRIC IDENTITIES -EXERCISE 11B
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