Drawing the graph of a polar equation
We deal with a folium r = sin (nθ) as an example.
At first, select an object P (others are also available) in the Curve Area and also select the polar function as a function type.
Input "r = sin nθ".
To input "θ" on the calculator, input "@".
Set the increment.
This determines how "dotted" the graph will look like on the screen.
Set the range if you wish.
Set the color and the thickness of curve and point.
Click [OK]