POLAR COORDINATES Graphing (Page 7 of 12)

Use the ZOOM ZSquare command again for a true perspective. This type of graph is called a limaçon.

 ZOOM key. 5: menu selection. Calculator screen image.

As usual, you can use TRACE to move a cursor along the graph and observe the values of x, y and θ at each point. This can be a nice way to see how different values of θ create the different portions of the graph.

 TRACE key.

 Right arrow key.... Left arrow key....

 Calculator screen image.
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