**This infographic shows all the trigonometric functions on one page. It is useful for students to have it in a place where they can visually access this:**

**http://www.infohow.org/wp-content/uploads/2012/11/RS-Trigonometry-Definition.gif**

**This infographic shows all the trigonometric functions on one page. It is useful for students to have it in a place where they can visually access this:**

**http://www.infohow.org/wp-content/uploads/2012/11/RS-Trigonometry-Definition.gif**