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If (a secθ.b tanθ) and (a secΦ,b tan Φ) are the ends of a focal chord of the hyperbola x2a2 − y2b2 = 1 whose eccentricity is e,then tan θ2 × tan⊘2 equal to. |
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Answer» If (a secθ.b tanθ) and (a secΦ,b tan Φ) are the ends of a focal chord of the hyperbola x2a2 − y2b2 = 1 whose eccentricity is e,then tan θ2 × tan⊘2 equal to. |
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