Trigonometry Resources

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Dave’s Short Trig Course

A clear and easy-to-understand explanation of trigonometry, "more of an introduction and guide than a full course." Contains just a few exercises. From a mathematics and computer science professor.

Trigonometry Terms

A complete set of trigonomic terms organized by type - cross referenced and illustrated. Mathworld.

Topics in Trigonometry

This site contains a variety of topics broken down into sections with interactive problem solving.