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- Precalculus by Robert E. Blitzer, Robert F. Blitzer, 16 January, 2001
- Heath Algebra 1: An Integrated Approach by Roland E. Larson, Timothy D. Kanold, et all June, 1998
- Trigonometry by Charles Patrick McKeague, 03 August, 1998
- A Graphical Approach to Precalculus with Limits (3rd Edition) by E. John Hornsby, Margaret L. Lial, et all 25 October, 2002
- Trigonometric Series by A. Zygmund, March, 2003
- Schaum's Outline of Precalculus by Fred Safier, 01 October, 1997
- Trigonometry by Ron Larson, Robert P. Hostetler, 2001
- Algebra and Trigonometry With Analytic Geometry With Infotrac by Earl W. Swokowski, November, 2001
- Precalculus (2nd Edition) by Margaret L. Lial, John Hornsby, et all 08 November, 2000
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