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 ...
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 ...
Match the 14 equations in polar form to their graphs. Graphs are drawn on polar grids. Answers are included. Cut out the graphs and the equations and give to students who can work in pairs. Get them ...
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