# Ch 43: NES Math: Trigonometric Functions

Prepare for the NES Math test by reviewing information on sine, cosine, right triangles and the Pythagorean theorem with the lively lessons in this chapter. Lesson quizzes also offer a chance to refresh your knowledge prior to test day.

## NES Math: Trigonometric Functions - Chapter Summary

Use the lessons in this chapter to refresh your knowledge of the basics of trigonometry as you prepare for the NES Math test. Our videos offer a review of topics including:

• Sine and cosine
• The Pythagorean theorem
• Trigonometric ratios
• Unit circles and their uses
• How to solve right triangles
• How to find the areas of a triangle with sine
• Laws of sines and cosines
• The double angle formula

You can watch these lessons whenever your schedule allows, using any sort of mobile device. Our instructors make the lessons informative and entertaining through their use of animations, examples and humor. Short lesson quizzes and a comprehensive chapter exam offer a chance to assess what you've learned, and you can print a sheet of quiz questions for offline review.

### NES Math: Trigonometric Functions Chapter Objectives

In five states, passing the NES Math exam is one of the requirements for becoming certified as a mathematics teacher at the secondary level. The test is administered by computer and consists entirely of multiple-choice questions, like the lesson quizzes and chapter exam in this study guide. Our tests let you get a feel for the format you'll encounter on the NES exam and also offer a chance to evaluate your learning.

The NES Math test is divided into content domains, and the questions on the material in this chapter are in the Trigonometry and Calculus content domain. This part of the test accounts for 19% of the test's total score.

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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