Question
Sun August 07, 2011 By: Praveen Rajasekaran
Q. prove that the two straight lines (x2+ y2)(cos2?.sin2?+ sin2?)=(xtan?- ysin?)

pair of lines

Expert Reply
Mon August 08, 2011
The given equation can be written as:
Related Questions
Sun March 19, 2017

Q)

Tue February 28, 2017

Q)

Ask the Expert