PolarPlot Examples of Drawing 2

 Show[PolarPlot[3Sin[1.7t],{t,0,11.7Pi},
PlotStyle->{Red,Opacity[.7]}],
PolarPlot[2Sin[1.3t],{t,0,13Pi},
PlotStyle->{Orange,Opacity[.8]}],
PolarPlot[Sin[5.9t],{t,0,9Pi},PlotStyle->Yellow],
ImageSize->500,Frame->True,Axes->False]