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WB JEE 2018
MCQ (More than One Correct Answer)
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A hyperbola, having the transverse axis of length 2sin$$\theta$$ is confocal wit6h the ellipse 3x2 + 4y2 = 12. Its equation is
A
x2sin2$$\theta$$ $$-$$ y2cos2$$\theta$$ = 1
B
x2cosec2$$\theta$$ $$-$$ y2sec2$$\theta$$ = 1
C
(x2 + y2)sin2$$\theta$$ = 1 + y2
D
x2cosec2$$\theta$$ = x2 + y2 + sin2$$\theta$$
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