 College Algebra and Trigonometry through Modeling and Visualization (2nd Edition) by Gary K. Rockswold, October, 2001
 Precalculus: Functions and Graphs, Fifth Edition by Franklin D. Demana, Rick D. Billstein, 27 March, 2003
 College Algebra and Trigonometry (3rd Edition) by Mark Dugopolski, 30 May, 2002
 Algebra and Trigonometry by David Cohen, 01 August, 1996
 Trigonometry by Ron Larson, February, 2003
 Algebra and Trigonometry, Unit Circle (6th Edition) by Mervin L. Keedy, Judith A. Beecher, et all March, 1993
 Algebra and Trigonometry Structure and Method Book 2 by Brown, May, 1993
 Holt Algebra With Trigonometry by Nichols, December, 1992
 Algebra and Trigonometry with Analytic Geometry by Jeffery A. Cole, Earl William Swokowski, 16 February, 2001
 Trigonometry Demystified by Stan Gibilisco, 01 August, 2003
