Topics in Trigonometry

TheMathPage provides comprehensive explanations, problems and solutions on all aspects of trigonometry.  Topics include ratio and proportion, the trigonometric functions of the various kinds of triangles, the laws of sines and cosines, circles and arcs, line values, graphs of trigonometric functions, inverse trigonometric functions, trigonometric identities, a three-place trigonometric table, and some theorems of plane geometry.