The asymptotes of the hyperbola $\frac{x^2}{a^2}-\frac{y^2}{b^2}=1$,with any tangent to the hyperbola form a triangle whose area is $a^2 \tan (\alpha)$. Then its eccentricity equals

  • A
    $\sec (\alpha)$
  • B
    $\operatorname{cosec}(\alpha)$
  • C
    $\sec ^2(\alpha)$
  • D
    $\operatorname{cosec}^2(\alpha)$

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Similar Questions

Let $H : \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1$,where $a > b > 0$,be a hyperbola in the $xy$-plane whose conjugate axis $LM$ subtends an angle of $60^{\circ}$ at one of its vertices $N$. Let the area of the triangle $LMN$ be $4\sqrt{3}$.
List-$I$ List-$II$
$P$. The length of the conjugate axis of $H$ is $1$. $8$
$Q$. The eccentricity of $H$ is $2$. $\frac{4}{\sqrt{3}}$
$R$. The distance between the foci of $H$ is $3$. $\frac{2}{\sqrt{3}}$
$S$. The length of the latus rectum of $H$ is $4$. $4$

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