Tangent lines
Computes the tangent lines of a circumference or conic through an exterior point.
Syntax
tangent_lines(Circumference, Point)
tangent_lines(Conic, Point)
Description
Given a circumference and an exterior point , returns a list with the tangent lines passing through .
 |  |
Given a conic and an exterior point , returns a list with the tangent lines passing through .
 |  |