polar contour plot

Questions
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1

Hello,
I want to know if it is possible to make a Polar Contour Plot in mathematica. ContourPlot in mahtematica plots in Cartesian coordinates only.
I can manage to plot in Polar by Contour Plot by making substitutions for theta and r in terms of x and y ,but if there is some thing like PolarContourPlot then tasks will be easier.

thanks,

2

Polar contour plots do not appear to be an option in Mathematica. You must evidently convert to Cartesian coordinate. Alternatively, you might do a series of polar plots, putting in the contour parameters by hand.

3

Thanks Sir.