Reference Angle

Please be patient while the Java applet loads.

Directions: Move point P around the cirlce.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

Note: Reference angle is always positive.

Explore the relationship between the reference angle and the x-axis.

Explore negative angles and reference angles.

Return