If you have a parametric equation grapher, graph the equations over
the given intervals in Exercises $51-58 .$
$$
\begin{array}{l}{\text { Cycloid } x=t-\sin t, \quad y=1-\cos t, \quad \text { over }} \\ {\text { a. } 0 \leq t \leq 2 \pi} \\ {\text { b. } 0 \leq t \leq 4 \pi} \\ {\text { c. } \pi \leq t \leq 3 \pi}\end{array}
$$