1.

A hyperbola, having the transverse axis of length 2 sinθ, is confocal with the ellipse 3x2 4y2 = 12. Then its equation is?

A. x2 cosec2θ − y2 sec2θ = 1
B. x2 sec2θ − y2 cosec2θ = 1
C. x2 sin2θ − y2 cos2θ = 1
D. x2 cos2θ − y2 sin2θ = 1
Answer» B. x2 sec2θ − y2 cosec2θ = 1


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