Math Medics
S.o.s. Math: Trigonometric Equations
This math lesson presents methods of solving trigonometric equations when the answer does not seem obvious. The lesson begins by giving an example then has a few practice problems for viewers to solve with solutions as links.
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All Elementary Mathematics: Trigonometric Equations
This site gives a definition for what a trigonometric equation is, gives a listing of the simplest trigonometric equations, and lists seven main methods of solution of trigonometric equations with examples.
Math Medics
S.o.s. Math: Solving Trigonometric Equations
This lesson contains trigonometric equations of various forms that you can solve. The problems contain the answers solved in three different ways: algebraically, graphically, and using the concept of equivalence.