For the hyperbola

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

For the hyperbola x2cos⁡2α−y2sin⁡2α=1\frac{x^2}{\cos^2 \alpha} - \frac{y^2}{\sin^2 \alpha} = 1 , which of the following remains constant when α\alpha varies (1) abscissae of vertices (2) abscissae of foci (3) eccentricity (4) directrix

Related theory

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