Pronunciation: /ˈsoʊ kə toʊ ə/ ?

SOHCAHTOA is an mnemonic or acronym used to remember the relationship of trigonometric function and the right triangle. The letters stand for:

Click and drag the blue points in manipulative 1 to change the right triangle. Click on the check boxes to illustrate each of the trigonometric functions.

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)
Manipulative 1: SOHCAHTOA. Created with GeoGebra.

Cite this article as:

SOHCAHTOA. 2008-10-30. All Math Words Encyclopedia. Life is a Story Problem LLC.

Image Credits

Revision History

2008-10-30: Changed manipulative to GeoGebra (McAdams, David.)
2007-07-12: Initial version (McAdams, David.)

All Math Words Encyclopedia is a service of Life is a Story Problem LLC.
Copyright © 2005-2011 Life is a Story Problem LLC. All rights reserved.
Creative Commons License This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License