Keywords: Circular Harmonic Y(2,0)^2 Polar.svg Polar Plot of Legendre Polynomial of cos with l 2 m 0 Own Inkscape 2007-05-24 Polar Plot of Legendre Polynomial of cos with l 2 m 0 - Equation <math>r r_1L_2 0\left \cos \theta \right </math> - Co-ordinate System Polar - Range 0 2 Spherical harmonics |