Video Instruction with Whiteboard Demo

Interactive Practice with Instant Feedback

Use Trig to Measure the Tower

Use Trig to Measure Shadows

Engaging Explanations Make Trig a Popular Subject!

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Comprehensive Video Tutorials
Hundreds of multimedia tutorials provide dozens of hours of instructional material. Instead of reading dense chunks of text from a printed book, students watch video lectures filled with illustrations, examples, and even humor. With this course style, every student can succeed!

Interactive Exercises with Feedback
Hundreds of exercise items contain fully worked-out solutions and explanations. Each video topic has corresponding exercises to test the students’ understanding.
Exercises are automatically graded, with results available immediately, including fully worked-out solutions and explanations for each exercise. Students can work on the exercises at the computer or print them out to work on later. Access your cumulative results anytime.

Review Notes and More
Concise, illustrated review notes, a glossary, transcripts of the video lectures, and links to relevant websites. All of these materials may be viewed online, and the notes and transcripts may be printed and kept for reference.

Course Units:

1. Algebraic Prerequisites
2. The Trigonometric Functions
3. Trigonometric Identities
4. Applications of Trigonometry
5. Complex Numbers and Polar Coordinates
6. Exponential and Logarithmic Functions
7. Conic Sections