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
Dave's Short Trig course
Covers basic definitions and concepts in beginning trigonometry.
http://www.clarku.edu/~djoyce/trig/
Four Branches of Trigonometry
Includes information on the laws of sines and cosines, right triangle trigonometry, and the ambiguous case.
http://geocities.com/lilvballbabe23/
An Index of Trigonometry Help Pages
Provides detailed discussion of trigonometry concepts. Includes examples of varying difficulty.
http://www.hyper-ad.com/tutoring/math/trig/
An Introduction to Trigonometry
Definitions, basics, functions, and other concepts necessary to understand basic trigonometry.
http://www.ping.be/~ping1339/gonio.htm
Marlene's Trigonometry Calculator
Learn the basics, the solutions, and how to convert from degrees to radians.
http://www.marlenesite.com/math/trigonometry/
Sine and Other Trigonometric Functions
Interactive tests and exercises.
http://answermath.com/sin.htm
S.O.S. Math - Trigonometry
Covers measuring degrees, equations, and formulas. Includes illustrations and related links.
http://www.sosmath.com/trig/trig.html
Trigonometry
Introduction to trigonometry. Includes links to trig-based animations and definitions.
http://oolong.co.uk/trig.htm
Trigonometry Angle Calculator
Visually calculate angles, lengths and circle dimensions.
http://www.visualtrig.com/
Trogonometry I
Self-teaching site offered by Doug Simms. Watch instructional videos, then print exercise and answer sheets.
http://freemathtutoring.googlepages.com/trigonometryi
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