conic-section

Question: The length of the chord of the parabola ${{y}^{2}}=4ax$ which passes through the vertex and makes an angle $\theta $ with the axis of the parabola, is



1) $4a\cos \theta \,\text{cose}{{\text{c}}^{2}}\,\theta $
2) $4a{{\cos }^{2}}\theta \,\text{cosec}\,\theta $
3) $a\cos \theta \,\text{cose}{{\text{c}}^{2}}\,\theta $
4) $a{{\cos }^{2}}\theta \,\text{cosec}\,\theta $
Solution: Explanation: No Explanation
Hyperbola

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