Chapter 10.1, Problem 57E

To determine

To graph: The Curve $x=\left(2+\frac{1}{2}\sin at\right)\cos \left(t+\frac{\sin bt}{c}\right),y=\left(2+\frac{1}{2}\sin at\right)\sin \left(t+\frac{\sin bt}{c}\right)$ using graphing utility for $a=18,b=18\text{ and }c=7$ over the interval $\left[0,2\pi \right]$.