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| ping.be/~ping1339/gonio.htm Includes functions, inverse functions and equations. An introductory guide to trigonometry. |    |
| archives.math.utk.edu/ Mathematics resources covering a range of topics including algebra, geometry, fractals, numerical analysis, statistics and trigonometry. Materials include bibliographies, images, photographs, problems, proofs, theories, conference proceedings and teaching |    | |
| 147.4.150.5/~matscw/trig/trigintro.html Each section is accompanied by exercises. Section headings include Modeling with the Sine Function, The Six Trigonometric Functions, Derivatives of Trigonometric Functions and Integrals of Trigonometric Functions. |    | |
| www-groups.dcs.st-and.ac.uk/~history/HistTopics/Trigonometric_functions.html Information on the history of trigonometric functions includes biographical details of mathematicians and a bibliography. |    | |
| school.discovery.com/homeworkhelp/webmath/ Provides solutions to problems involving polynomials, quadratic equations, radical expressions, calculus and trigonometry, complete with the steps taken to arrive at the answer. Free software f Interactive online program that solves mathematical problems. |    | |
| ies.co.jp/math/java/trig/ A collection of trigonometry examples designed to illustrate the fundamentals of trigonometry via explanation and interactive programs. |    | |
| acts.tinet.ie/trigonometry_645.html Includes radian measure, inverse functions, ratios for acute angles, functions and their graphs and calculations and trigonometry of the triangle. |    | |
| pumas.jpl.nasa.gov/examples/ex9_1.html The 70 subject keywords, such as cosine, logarithm and trigonometry, offer the simplest way to find a relevant example. Series of examples of practical applications of mathematics and science topics in interesting settings in everyday life. |    | |
| sosmath.com/tables/tables.html Includes formulae relating to algebra, calculus, trigonometry, differential equations, and complex variables. Listings of the first 1000 prime numbers, the prime fact Extensive reference resource detailing a range of mathematical operations and functions. |    | |
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