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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Hestenes, Marshall D.
Trigonometry with calculators
Prentice-Hall, 1982
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Rice, Bernard J.
Plane trigonometry
Prindle, Weber & Schmidt, 1975
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Cameron, Edward A.
Algebra and trigonometry
Holt, Rinehart and Winston, 1965
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