Government of Alberta
Learn Alberta: Math Interactives: Exploring Trig Ratios
Investigate the cosine, sine, and tangent ratios of trigonometry using this interactive Learn Alberta math resource. Students will use these ratios to determine a right triangle's unknown side or angle. Be sure to follow the link to the...
University of Saskatchewan (Canada)
University of Saskatchewan: Advanced Trig Exercises
Site provides five example problems dealing with real life trigonometry applications. Hints and solution links are provided.
Other
Summary of Trigonometric Identities
A complete list of the important identities from high school trigonometry, complete with a set of exercises.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions
Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.