GraphingCalculator 3.5;
Window 91 904 876 2025;
PaneDivider 248;
Slider -5 5;
SliderSteps 10;
SliderControlValue 0;
SliderVariable k;
2D.Scale 0.5 0.5 2 2;
2D.BottomLeft -6.75 -15.4375;
Expr r=5+2*sin([k*theta]);