January 2015
Intermediate to advanced
1015 pages
318h 54m
English
Content preview from Algebra and Trigonometry, 5th Edition
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8.4 Polar Coordinates and Graphs
Graph points given their polar coordinates.
Convert from rectangular coordinates to polar coordinates and from polar coordinates to rectangular coordinates.
Convert from rectangular equations to polar equations and from polar equations to rectangular equations.
Graph polar equations.
Polar Coordinates
All graphing throughout this text has been done with rectangular coordinates, , in the Cartesian coordinate system. We now introduce the polar coordinate system. As shown in the diagram on the following page, any point P has rectangular coordinates and polar coordinates . On a polar graph, the origin is called the pole, and the positive half of the x-axis is called the polar axis. The point ...
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