http://www.wolframalpha.com/input/?i=PolarPlot%5B%281+%2B+0.9+Cos%5B8+t%5D%29+%281+%2B+0.1+Cos%5B24+t%5D%29+%280.9+%2B+0.05+Cos%5B200+t%5D%29+%281+%2B+Sin%5Bt%5D%29%2C+%7Bt%2C+-Pi%2C+Pi%7D