To sketch the graph of a polar equation a good first step is to sketch the graph in the Cartesian coordinate system. This will give a way to visualize how r changes with θ. The information about how r ...

Express the polar equation \(r=\cos 2\theta\) in rectangular coordinates. Find the maximum height above the \(x\)-axis of the cardioid \(r=1+\cos \theta\text{.}\) Sketch the graph of the curve whose ...

Master the polar coordinate system with this Geometry and Precalculus worksheet! Covers plotting points in polar coordinates, converting points and equations between polar and Cartesian forms, ...

Teach Polar Coordinates & Graphs with expert-level confidence—even if your degree isn’t in Maths. Reclaim your planning periods and eliminate maths-anxiety for non-specialist teachers with this ...