Unit Circle and Trig Functions

Explore the applet below. The red, green, and purple buttons will plot the point for the current angle (in radians) and the value for the respective lengths and ratio. Move the point defining the triangle around the circle and plot points for several different values of theta. Then compare your plotted points to the sine, cosine, and tangent graphs using the checkboxes in the right panel.

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Jaylee Willis, 3 December 2013, Created with GeoGebra