Show that the locus of the foot of the perpendicular drawn from focus to a tangent to the
Channel: Doubtnut
Date: 2020-04-12

Show that the locus of the foot of the perpendicular drawn from focus to a tangent to the hyperbola `x^2/a^2 - y^2/b^2 = 1` is `x^2 + y^2 = a^2`.