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List of forum topicsenRe: Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9314045&tstart=0#9314045
> Narasimham, > I used the definition of the ellipse F1 P + F2 P = 2a > just as you did to show that F1, P, F2]]>Oct 29, 2013 3:11:07 PMOct 29, 2013 3:11:07 PMmathma18@gmail.com0Re: Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9313915&tstart=0#9313915
> > > Sum of of two focal rays lengths (from one > focus) Oct 29, 2013 10:38:39 AMOct 29, 2013 10:38:39 AMPeter Scales0Re: Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9313181&tstart=0#9313181
> I have used another property, viz., the product of > normals. ( It may be the same, but seen some other > way!]]>Oct 27, 2013 11:29:19 AMOct 27, 2013 11:29:19 AMavniu66@hotmail.com0Re: Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9312883&tstart=0#9312883
> > Sum of of two focal rays lengths (from one focus) > > of an ellipse (semi major, minor axes a,b) is given]]>Oct 26, 2013 9:46:56 AMOct 26, 2013 9:46:56 AMmathma18@gmail.com0Re: Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9310534&tstart=0#9310534
> Sum of of two focal rays lengths (from one focus) of > an ellipse (semi major, minor axes a,b) is given as >]]>Oct 20, 2013 2:02:07 PMOct 20, 2013 2:02:07 PMPeter Scales0Re: Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9310523&tstart=0#9310523
> Sum of of two focal rays lengths (from one focus F) of > an ellipse (semi major, minor axes a,b) is given as 2a ,]]>Oct 20, 2013 2:00:52 PMOct 20, 2013 2:00:52 PMmathma18@gmail.com0Same intersection angles in ellipse
http://mathforum.org/kb/thread.jspa?messageID=9310132&tstart=0#9310132
Oct 19, 2013 1:55:05 PMOct 19, 2013 1:55:05 PMmathma18@gmail.com6