Description Folium Of Descartes.svg	English: A graph of the Folium of Descartes , given by polar equation ${\displaystyle r={\frac {3a\sin \theta \cos \theta }{\sin ^{3}\theta +\cos ^{3}\theta }}.}$ The parameter a = 1 in this graph.
Date	27 February 2009
Source	Own work
Author	Inductiveload
Permission ( Reusing this file )	Public domain Public domain false false I, the copyright holder of this work, release this work into the public domain . This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.

Mathematica Code

a = 1;
PolarPlot[3 a Sin[theta] Cos[theta]/(Sin[theta]^3 + Cos[theta]^3),
 {theta, 0, Pi},
 PlotRange -> {{-2.5, 2.5}, {-2.5, 2.5}}]