2317-Plotting in Polar Coordinates.sagews

Plotting in Polar Coordinates

$r = 1 + \cos\theta$

polar_plot(1 + cos(x), (x, 0, 2*pi), aspect_ratio=1, color='red')

$r = \cos 4\theta$

polar_plot(cos(4*x), (x, 0, 2*pi), aspect_ratio=1, color='red')