$\"\"$

The parametric equations of curtate cycloid are $\"\"$ and $\"\"$ .

Graph:

Graph the parametric equations $\"\"$ and $\"\"$ .

$\"\"$ .

Observe the graph:

The graph is smooth and continuous at every point.

$\"\"$

Graph of the parametric equations $\"\"$ and $\"\"$ .

$\"\"$ .

The graph is smooth and continuous at every point.