The following is the curve of the polar equation [math]r=a\cos\left(\frac{m}{n}\theta\right)[/math].[br][list][br][*]You can change the values of a, m and n.[br][*]You can drag the slider of [math]\theta[/math] to trace the curve.[br][*]This collection of curves is called the [b]Rose family[/b].[br][/list]