Beecher, Judith A.
Algebra and trigonometry
Pearson - Addison Wesley, 2008
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Young, Cynthia Y.
Algebra and trigonometry
John Wiley & Sons, Inc, 2007
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Bruce, William J.
Algebra and trigonometry
Appleton-Century-Crofts, 1971
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Marcus, Marvin
Algebra and trigonometry
Houghton Mifflin, 1970
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Cameron, Edward A.
Algebra and trigonometry
Holt, Rinehart and Winston, 1965
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