Thursday, January 5, 2012

0<α<π/2. the length of a latus rectum of the ellipse x^2 tan^2α + y^2 sec^2α =1 is 1/2. the value of α is?

0<α<π/2. the length of a latus rectum of the ellipse x^2 tan^2α + y^2 sec^2α =1 is 1/2. the value of α is
Posted by Unknown at 7:48 AM

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