GraphingCalculator 3.5;
Window 99 145 884 1266;
PaneDivider 248;
Slider -5 5;
SliderControlValue 100;
SliderVariable k;
2D.Scale 0.5 0.5 2 2;
2D.BottomLeft -9.34375 -15.5;
Expr r=3+3*cos([k*theta]);