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 ...

Coordinates are two numbers used to describe a point's position on a grid. Grids have two axes. The horizontal axis is called the x-axis and the vertical axis is called the y-axis. Coordinates are ...