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Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Advanced Trig Exercises

For Students 9th - 10th
Site provides five example problems dealing with real life trigonometry applications. Hints and solution links are provided.
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Activity
University of Georgia

University of Georgia: Navigation Problems

For Students 9th - 10th
These two navigation problems employ the use of the law of sines or cosines and basic trigonometry. Each problems includes links to a sketch of the problem for visual help, and to a solution.