# Negative Pedal Curves of an Ellipse

Negative Pedal Curves of an Ellipse

The pedal curve of a curve with respect to a point is the curve whose points are the closest to on the tangents of . This Demonstration concerns the inverse of a pedal curve, sometimes called the negative pedal curve. The negative pedal of a curve can be defined as a curve such that the pedal of is . This Demonstration allows you to explore two sets of the negative pedal curves of an ellipse.

C

P

P

C

C

C'

C

C'