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.
Clark University
Clark University: Dave's Short Trig Course: Applications of Trigonometry
This Clark University site gives a brief historical perspective into how trigonometry is used in astronomy, geography, engineering, physics, and mathematics.
Other
Gcse Answers' Easy Start Trigonometry
Some basic questions dealing with everyday situations where trigonometry is needed to solve the problem. Click a button for the solutions.
Other
University of Cambridge: Spherical Trigonometry
Very good site that acts as a tutorial/review site on Spherical Trigonometry. Many diagrams and formulas are included.
University of Georgia
University of Georgia: Navigation Problems
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.