| From Classbrain.com Algebra 2 Trigonometric identities are ways of simplifying trigonometric expressions. Although it is quite a mouthful, Mr. Green simplifies the information in this interactive math tutorial. If you decide to sign up for a subscription, you can actually indicate the textbook you use in class, and the lessons will be coordinated to your textbook. © Copyright 2004 by Classbrain.com |