The area of mathematics called trigonometry focuses on triangles, with particular emphasis on the relationships among the sides and angles of a triangle. The six trigonometric functions are defined in this branch of mathematics, and the applications of those trig functions carry fundamental importance in science. The cyclical (periodic) nature of sine waves, for example, model everything from atomic vibrations to light waves.
A basic course in trigonometry will cover the following topics:
Students can find many books on trigonometry from Google Books and Amazon.com. There are also quite a few trigonometry tutorials available from such places as Clark University, United Arab Emirates University, 1728 Software Systems, Nipissing University, and Clemson University. Students can also follow the Journal of Trigonometry.
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