This is a support page for Polar Graphing. Here is review material and polar graph paper. Below are links for further research, and some suggested tasks/questions.
Cardioid is Greek for "heart."
Limacon is Latin for snail.
Lemniscatus is Latin for "decorated with ribbons" and these look like a figure 8.
See Lemniscate at Wikipedia.
Famous Curves Index
at the School of Mathematics and Statistics, University of St Andrews, Scotland!
© 2019, Agnes Azzolino