Consider the parabola and the focal chord (a) Sketch the
Chapter , Problem 1(choose chapter or problem)
Consider the parabola and the focal chord (a) Sketch the graph of the parabola and the focal chord. (b) Show that the tangent lines to the parabola at the endpoints of the focal chord intersect at right angles. (c) Show that the tangent lines to the parabola at the endpoints of the focal chord intersect on the directrix of the parabola.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer