Four Branches of Trigonometry Includes information on the laws of sines and cosines, right triangle trigonometry, and the ambiguous case. http://geocities.com/lilvballbabe23 Reviews Rating: Not yet Rated
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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. http://www.pitt.edu/~wek3/sineadd/index.html Reviews Rating: Not yet Rated
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Trigonometry Introduction to trigonometry. Includes links to trigbased animations and definitions. http://fergusmurray.members.beeb.net/trig.htm Reviews Rating: Not yet Rated
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Sine and Other Trigonometric Functions Interactive tests and exercises. http://answermath.com/sin.htm Reviews Rating: Not yet Rated
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S.O.S. Math  Trigonometry Covers measuring degrees, equations, and formulas. Includes illustrations and related links. http://www.sosmath.com/trig/trig.html Reviews Rating: Not yet Rated
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Basic Trigonometry Cosine, sine and tangent are defined. The Pythagorean theorem is illustrated as well the number of degrees in a many sided figure. http://abe.www.ecn.purdue.edu/~agen215/trig.html Reviews Rating: Not yet Rated
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An Index of Trigonometry Help Pages Provides detailed discussion of trigonometry concepts. Includes examples of varying difficulty. http://www.hyperad.com/tutoring/math/trig/ Reviews Rating: Not yet Rated
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Activities in Math: Trigonometry Three comprehensive modules from Syvum. Each includes theory and explanation, along with practice exercises. http://www.syvum.com/math/trigonometry.html Reviews Rating: Not yet Rated
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An Introduction to Trigonometry Definitions, basics, functions, and other concepts necessary to understand basic trigonometry. http://www.ping.be/math/gonio.htm Reviews Rating: Not yet Rated
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Dave's Short Trig course Covers basic definitions and concepts in beginning trigonometry. http://aleph0.clarku.edu/~djoyce/java/trig/ Reviews Rating: Not yet Rated
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Trigonometry A brief overview of trigonometric terms and concepts. http://library.thinkquest.org/10030/trigcon.htm Reviews Rating: Not yet Rated
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