Figure 4.3.2. Graph of \ (r=1+3\cos (2\theta)\text {?}\) Consider the curve given by the polar equation \ (r=1-2\sin \theta\text {,}\) for \ (0\leq \theta \lt 2\pi\text {.}\) Find the Cartesian ...

As the point P moves anticlockwise around the circle from 0°, the angle θ changes. The values of cos θ and sin θ also change. The graphs of y = sin θ and y = cos θ can be plotted.