Exam Preparation

On a single webpage, Claeys manages to summarize most of the important topics of trigonometry. Follow the link at the bottom of the page to see numerous solved example problems based on those topics.

Especially strong at establishing the geometric foundation of trigonometry, this site introduces most of the major trigonometric theorems and proves the majority of them. All of the figures on the site are generated with a Java applet, so if you are using a Java-enabled browser (such as recent versions of Internet Explorer or Netscape), you can click drag points in the diagrams to modify them, and the labels and measurements of the diagrams will adjust themselves automatically.

The Khan Academy is a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere.

They have 800+ videos on YouTube covering everything from basic arithmetic and algebra to differential equations which have been recorded by Salman Khan.

This resource comes highly recommended from ABCTE's Math forum: http://www.abcte.org/forum/2926/.

Straighterline offers an online Pre Calculus course that provides a working knowledge of precalculus and its applications. It begins with a review of algebraic operations. Emphasis is on solving and graphing equations that involve linear, polynomial, exponential, and logarithmic functions. Students learn to graph trigonometric and inverse trigonometric functions and learn to use the family of trigonometric identities. Other topics include conic sections, arithmetic and geometric sequences, and systems of equations.

This site is run by a professor at Manhattan Community College in New York and includes lessons on: Skill in Arithmetic, Plane Geometry, Skill in Algebra, Topics in Trigonometry, Topics in Precalculus and Topics in Calculus.