Math: Trigonometric Identities
These sites are about trigonometric identities. The topics cover trigonometric identities, functions, and properties. Learn how to apply trigonometric identities to solve trigonometric problems. There are also interactive illustrations on Proof of the Pythagorean Theorem and Triangles and Law of Sines. Includes examples, formulas, graphs, worksheets, exercises, and interactive activities and games.
Learn about radians and equations, compound and multiple angles, and the auxiliary angle. A test is included for each topic. NOTE: The "Talk" link leads to a discussion forum.
Trigonometry: Trigonometric Functions and Identities in Math
This site provides information about trigonometric functions and identities. Learn about their important identities, properties, and examples of their application. Includes practice exercises at the end of each module. NOTE: This site includes ads and links to external websites.
ThinkQuest: Trigonometry Made Simple
Learn about trigonometric functions and identities, sums and difference formulas, double angle and half angle, inverse functions, and Sin and Cos laws. Includes how to plot a graph and how to find triangle sides by applying trigonometric rules.
ThinkQuest: Trigonometric Identities
Learn how to prove trigonometric identities. Click the "Examples" link to learn step-by-step how to prove identities. Exercises are included.
MathForum: Math to Build On: Right Triangles
Learning about the properties of right triangles.
ExploreLearning: Interactive Trigonometric Activities
This site provides a list of interactive activities that can help students learn more about trigonometry.
Triangle and Law of Sines
Learn about trigonometric functions through interactive demonstrations.
Quia: Trig Identity Concentration
Practice trigonometric identity through a concentration game.
Here are review questions on trigonometric functions and identities.
Right Triangle Trigonometry Resources
This page is about right triangles in trigonometry and includes lessons, practice, and a teacher resource.
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