Question Number 51818 by peter frank last updated on 30/Dec/18
$${Find}\:{the}\:{relation}\:{between} \\ $$$${the}\:{ecentric}\:{angles} \\ $$$${of}\:{the}\:{point}\:\:{which}\:{are} \\ $$$${at}\:{the}\:{end}\:{of}\:{focal}\:{chord} \\ $$
Find-the-relation-between-the-ecentric-angles-of-the-point-which-are-at-the-end-of-focal-chord-