We have a parametric function here and we want to obtain a rough sketch of it. $$x(t)=t-\sin t\quad y(t)=1-\cos t$$
I found that $\frac{dx}{dt}=y$. But I don’t know how that will help me sketch the function. And of course, I tried to represent $t$ in terms of $y$ and substitute it back to $x(t)$. But that makes the whole thing even more complex. I need some help or hints.