8.4: Drawing Limacons using Other Tools
- Author:
- Jila
Description
At this point in the course, you are wondering how parametric equations comes to life. It is easy to see it for a circle but what about these other shapes. Here is how a cardioid can be interpreted.
The collections of all Intersections of lines tangent to circle C, N, and the line perpendicular to N through a fixed point outside C form a cardioid.