To create your own interactive content like this, check out our new web site doenet.org!
Image: Parametrization of a circle 4
An animation of the parametrization $\adllp(t) = (\cos(t^2), \sin(t^2))$ of the unit circle, with dot $\adllp(t)$ at time time and vector $\adllp'(t)$ showing velocity.