# Ch 13: Basics of Trigonometry

Become comfortable with concepts and topics dealing with trigonometry by watching all of the videos included in this chapter. Use our concise lessons, quizzes and other study tools to refresh your knowledge of sine, cosine and unit circles.

## Basics of Trigonometry - Chapter Summary

In this chapter, you'll better your understanding of sine and cosine. You'll also improve your skills at graphing both sine and cosine transformations.

Later on in this chapter, unit circles are addressed, and you'll learn how to graph tangent functions. Finishing this chapter helps you complete these objectives:

• Identify what sine and cosine are
• Graph tangent function, sine and cosine transformations
• Relate right triangles to sine and cosine
• Convert between radians and degrees

Working through this chapter is simple thanks to each lesson's video format, which averages around 5-10 minutes. It's easy to hop back to the precise spot in the lesson you want to review by using the handy video tags. The lessons also have corresponding quizzes so that you can assess your understanding. There are also online instructors available in case you get confused with a math principle.

6 Lessons in Chapter 13: Basics of Trigonometry
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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