Question:

If the hyperbola \(x² - y² cosec²θ = 5\) and ellipse \(x²cosec²θ + y² = 5\) has eccentricity \(e_H\) and \(e_E\) respectively and \(e_H = \sqrt 7e_E\), then \(θ\) is equal to

Updated On: Apr 7, 2024
  • \(\frac \pi6\)

  • \(\frac \pi3\)

  • \(\frac \pi2\)

  • \(\frac \pi4\)

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The Correct Option is A

Solution and Explanation

The correct option is (A): \(\frac \pi6\).

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Concepts Used:

Hyperbola

Hyperbola is the locus of all the points in a plane such that the difference in their distances from two fixed points in the plane is constant.

Hyperbola is made up of two similar curves that resemble a parabola. Hyperbola has two fixed points which can be shown in the picture, are known as foci or focus. When we join the foci or focus using a line segment then its midpoint gives us centre. Hence, this line segment is known as the transverse axis.

Hyperbola