Wave Mathematics : Trigonometric Functions

by Gary Welz, M.A./M.S.

Further Exploration

Sine Box CalculatorIES - An applet that calculates the sine value of any angle and provides a graphical representation of its occurence on the unit circle.

Math OnlineUniversity of Vienna - gallery of mathematical Java applets.




René Descartes

René Descartes


Commentary on the Phenomena of Aratus and EudoxusPicture and information of the sole surviving work of Hipparchus.

News & Events

Scientists put a light wave on holdMSNBC

Current Science NewsNews from around the world of science.


Wave Calculator

Google ScholarGoogle - Research database allows searching of the scholarly literature.


Circle to a WaveS. Waner, Hofstra U. - see an animation of the graphing of the sine wave by moving a point around the circumference of a circle.

Shape of a WaveE. Zobel, Zona Land - Interactive applet allows you to adjust the amplitude, wavelength and shift of a wave and see how it responds.

Plato...set the mathematicians the following problem: What circular motions, uniform and perfectly regular, are to be admitted as hypotheses so that it might be possible to save the appearances presented by the heavens?

-Simplicius (490 AD -560AD)

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