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Series: Pre-Calculus Review


Buy the Series and be able to watch all of the lessons.

About this Series

  • Lessons: 31
  • Total Time: 4h 4m
  • Use: Watch Online & Download
  • Access Period: Unlimited
  • Created At: 02/26/2009
  • Last Updated At: 07/20/2010

Taught by Professor Edward Burger, this series was selected from a broader, comprehensive course, Precalculus. This course and others are available from Thinkwell, Inc. The full course can be found at This series covers angles, trigonometric functions and expressions and more. The full course covers angles in degrees and radians, trigonometric functions, trigonometric expressions, trigonometric equations, vectors, complex numbers, and more.

About this Author

2174 lessons

Founded in 1997, Thinkwell has succeeded in creating "next-generation" textbooks that help students learn and teachers teach. Capitalizing on the power of new technology, Thinkwell products prepare students more effectively for their coursework than any printed textbook can. Thinkwell has assembled a group of talented industry professionals who have shaped the company into the leading provider of technology-based textbooks. For more information about Thinkwell, please visit or visit Thinkwell's Video Lesson Store at

Thinkwell lessons feature a star-studded cast of outstanding university professors: Edward Burger (Pre-Algebra through...

Lessons Included

Does not use sin or cos
~ eshoemaker

Faulty advertising! I don't like thinking I am getting an example of something that I want to understand and have the problem be something simple like d=rt.

Pre-Calculus: Graphing Period, Amplitude, Shifts
~ sotake

Extremely helpful--the textbook I'm using leaves some points unexplained, but Professor Burger explains everything clearly and concisely.

Good but abstract
~ Nina3

Still too abstract to get students (not math lovers;) exited....

Need more practice problems
~ tansley

The information is fantastic. However - practice makes perfect - so it would be nice to see a few examples.

Great lesson, but could use more real application
~ sharon5

When would you have a real problem where you would be looking for a position of a spring? I know that is what my students are going to be asking.

Easy way to identify even and odd functions!
~ brittanie

Great online video tutorial on how to verify if a trig function like sin or cos is even or odd. This question comes up on many college prep assessment tests and it's great to have these videos available for easy review online.

clear and easy inverse sine and cosine
~ joyherber

This was great. My son was stuck on some homework and it had been years since I had studied sine and cosine. Once he watched the video and reread the assignment it all be came so simple. Thanks.

~ hmt79

This lesson walks you through several different proofs of trig identities - he does a good job at going step by step and so I didn't get lost anywhere along the way. Great lesson!

Below are the descriptions for each of the lessons included in the series:

Supplementary Files: