Swokowski, Earl W.
Precalculus : functions and graphs
Brooks/Cole, 2012
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Sullivan, Michael, III
Algebra & trigonometry : enhanced with graphing utilities
Pearson Prentice Hall, 2009
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Coburn, John W.
Precalculus / John W. Coburn
McGraw-Hill, 2010
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Dodge, Clayton W.
The circular functions
Prentice-Hall, 1966
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Hungerford, Thomas W.
Contemporary college algebra and trigonometry: a graphing approach
Thomson Brooks/Cole, 2005
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