Sketch the vector function f(t) = < cos t, sin t >
These outline a quarter of a circle, which is what we find when we connect the dots:
If we replace t with θ, the coordinates (cos θ, sin θ) describe a point on the unit circle.
Make it rain.
The who, what, where, when, and why of all your favorite quotes.
Go behind the scenes on all your favorite films.
You've been inactive for a while, logging you out in a few seconds...