The answer: polar coordinates. Yes, you thought they were ... Here is the code with a plot of the angular value of the position as a function of time. Feel free to edit it and rerun it.

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 ...