[i]Note: This is a very slightly modified version of Tutorial 11 from the Geogebra Intermediate Tutorial Series that can be found here: [url]http://mathandmultimedia.com/2010/04/19/geogebra-tutorial-11-sliders-andtrigonometric-functions/[/url][br][br]Very simple slider-based exploration of trigonometric functions.[br][br]See if you can figure out what each variable means.