How to parametrize a circle in a clockwise direction? The problem was "$C$ is the portion of the circle $x^2 + y^2 = 1$ from $(0,1)$ to $(1,0)$ traced clockwise."
What I did was $c(t) = (\cos t, -\sin t)$, $t \in [0, 2\pi]$ but I don't know if it's correct. What does this look like when sketched?