Describing characteristics of polar function graphs | AP®︎/College Precalculus | Khan Academy
Khan Academy · 5:07
As θ increases from π/2 to 3π/2, r = g(θ) = cos(θ − π/2) − 1 is nonpositive and decreasing (0, then −1, then −2). Distance from each polar point to the origin is |r|, so that distance increases even though the signed...