CircleHard
Question
If the chord through the points whose eccentric angles are θ & φ on the ellipse, 
= 1 passes through the focus, then the value of tan (θ/2) tan (φ/2) is -
= 1 passes through the focus, then the value of tan (θ/2) tan (φ/2) is -Options
A.
B.
C.
D.
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