Prove that the product of the length of the perpendiculars from the points
Channel: Doubtnut
Date: 2020-04-12

Prove that the product of the length of the perpendiculars from the points `(sqrt(a^2 -b^2) , 0) and (-sqrt(a^2 -b^2), 0)` to the line `x/a cos theta + y/a cos theta + y/b sin theta = 1` is