POLAR COORDINATES Graphing (Page 10 of 12)

Let's change the window so that the graph fills the screen better. Notice that the values of θ now range from 0 to 360 degrees because we are in degree mode. Set Xmin = -6, Xmax = 6, Ymin = -6 and Ymax = 6, then use the Zoom ZSquare command again to get a square viewing window.

 WINDOW key....

 ZOOM key. 5: menu selection.

 Calculator screen image. Calculator screen image.

This type of graph is called a rose curve. When the coefficient of θ is even, there will be double that number of "petals" in the graph.
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