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If S and S ’ are the foci of an ellipse nd P is any point on it.If the eccentricity of the ellipse is e.Prove that- Tan(PSS ’ /2)×Tan(PS ’ S/2)=1-e/1+e.

If S and S are the foci of an ellipse nd P is any point on it.If the eccentricity of the ellipse is e.Prove that-    Tan(PSS/2)×Tan(PSS/2)=1-e/1+e.

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
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