Wave Mathematics : Trigonometric Functions
by Gary Welz, M.A./M.S.
Visionlearning Glossary An alphabetical glossary of relevant scientific terms.
Sine Box Calculator IES - An applet that calculates the sine value of any angle and provides a graphical representation of its occurence on the unit circle.
Math Online University of Vienna - gallery of mathematical Java applets.
Commentary on the Phenomena of Aratus and Eudoxus Picture and information of the sole surviving work of Hipparchus.
Current Science News Live news feeds from around the world of science.
Google Scholar Google - Research database allows searching of the scholarly literature.
Circle to a Wave S. 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 Wave E. Zobel, Zona Land - Interactive applet allows you to adjust the amplitude, wavelength and shift of a wave and see how it responds.