TITLE: Cannabis Equation
QUESTION [33 upvotes]: How can an equation for the following curve be derived?
 
$$r=(1+0.9 \cos(8 \theta)) (1+0.1 \cos(24 \theta)) (0.9+0.1 \cos(200 \theta)) (1+\sin(\theta))$$
(From WolframAlpha)

REPLY [46 votes]: You may do the same as other answer did in details by Maple:
[> with(plots):
  animate(polarplot, [(1+.9*cos(A*t))*(1+.1*cos(A*t))*(.9+0.5e-1*cos(A*t))*(1+sin(t)), t = -Pi .. Pi, thickness = 2], A = 0 .. 15);