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Web Sites in Category Trigonometry

Activities in Math: Trigonometry - Three comprehensive modules from Syvum. Each includes theory and explanation, along with practice exercises.

Addition Formulas for Sines and Cosines - Describes how the Sine and Cosine Addition Formulas can be derived by using vectors and how these formulas can be remembered relatively easily.

An Index of Trigonometry Help Pages - Provides detailed discussion of trigonometry concepts. Includes examples of varying difficulty.

An Introduction to Trigonometry - Definitions, basics, functions, and other concepts necessary to understand basic trigonometry.

Basic Trigonometry - Cosine, sine and tangent are defined. The Pythagorean theorem is illustrated as well the number of degrees in a many sided figure.

Dave's Short Trig course - Covers basic definitions and concepts in beginning trigonometry.

Four Branches of Trigonometry - Includes information on the laws of sines and cosines, right triangle trigonometry, and the ambiguous case.

S.O.S. Math - Trigonometry - Covers measuring degrees, equations, and formulas. Includes illustrations and related links.

Sine and Other Trigonometric Functions - Interactive tests and exercises.

Trigonometry - A brief overview of trigonometric terms and concepts.

Trigonometry - Introduction to trigonometry. Includes links to trig-based animations and definitions.

Related Newsgroups:

sci.math – Google
k12.ed – Google

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