Polar Coordinates and Curves flashcards

$r\cos \theta$r cos θ

from “Polar Coordinates”

$\sqrt{x^2+y^2}$√(x² + y²)

from “Polar Coordinates”

$\pi$π

from “Sketching Polar Curves”

0

from “Sketching Polar Curves”

$\frac{\pi }{2}<\theta <\frac{3\pi }{2}$π/2 < θ < 3π/2

from “The Rate of Change of a Polar Function”

$-\frac{2}{\pi }$−2/π

from “The Rate of Change of a Polar Function”

a sector with its apex at the pole

from “The Area of a Polar Region”

$\pi$π

from “The Area of a Polar Region”