Q)
(chatquestion)...Through the vertex O of the parabola, y= 4ax two chords OP & OQ are drawn and the circles on OP & OQ
as diameters intersect in R. If 0, e, & are the angles made with the axis by the tangents at P & Q on the
parabola & by OR then the value of, cot 0, + cot 0, is
(A)-2 tan o
%3D
(B)-2 tan (7-)
(C)0
(D) 2 cot o
...