Saxon Calculus: Trigonometry - Videos & Lessons

About This Chapter

The Trigonometry chapter of this Saxon Calculus Companion Course aligns with the same chapter in the Saxon Calculus textbook. These simple and fun video lessons are about five minutes long and help you learn the essential lessons about trigonometric ratios, radians and unit circles.

How It Works:

Find the lesson within this chapter that corresponds to what you're studying in the Trigonometry chapter of your textbook.
Watch fun videos that cover the calculus concepts you need to learn or review.
Complete the quiz after watching each video lesson to test your understanding.
If you need additional help, rewatch the videos until you've mastered the material, or submit a question for one of our instructors.

Chapter Topics

You'll learn all of the calculus topics covered in the textbook chapter, including:

Circular trigonometric functions
Relating right triangles to sine and cosine using unit circles
Using identities and inverses to solve trigonometric equations
Sinusoids
Cofunctions
Inverse trigonometric functions
Graphically solving trigonometric equations

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11 Lessons in Chapter 6: Saxon Calculus: Trigonometry

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1. Converting Between Radians and Degrees

Angles can be measured in degrees or radians. This lesson will explore the difference and provide you with a simple calculation that can be used to convert degrees into radians and radians into degrees.

2. Trigonometric Ratios and Similarity

Where do terms like sine, cosine and tangent come from? In this lesson, we'll learn about how similarity with right triangles leads to trigonometric ratios.

3. Practice Problems with Circular Trigonometric Functions

After watching this video lesson, you will be able to use the unit circle to help you find your answer to trig problems without making too many calculations. Watch and learn how you can find your angle in radians on the unit circle.

4. Using Unit Circles to Relate Right Triangles to Sine & Cosine

The unit circle is a helpful tool for understanding trigonometric concepts. In this lesson, we'll look at right triangles on the unit circle to better grasp sine and cosine.

5. Solve Trigonometric Equations with Identities & Inverses

After watching this video lesson, you will be able to solve trigonometric equations by making use of trigonometric identities and inverses. Learn the steps to take to get to your solution.

6. Sinusoids: Centerline, Amplitude, Phase Angle & Period

Sinusoid functions, e.g. sine or cosine, have specific characteristics such as an amplitude, period, phase angle and a centerline. In this lesson, we seek to address and illustrate each one of these features or characteristics.

7. Trigonometric Identities: Definition & Uses

After watching this video lesson, you will understand what a trigonometric identity is. You will also know the different kinds of identities you will come across.

8. Cofunctions: Definition & Examples

Cofunctions in trigonometry are function pairs like sine and cosine. In this lesson we define the common trig cofunctions and use examples to show how they are used.

9. Properties of Inverse Trigonometric Functions

After watching this video lesson, you will understand why our inverse trigonometric functions have a limited range. Learn what this does. Also learn the notation for these functions.

10. How to Solve Trigonometric Equations for X

Adding trigonometric functions into standard algebra equations adds complexity. Learn how to solve trigonometric equations for x and how to use inverse operations to simplify equations.

11. Solving a Trigonometric Equation Graphically

How can you show someone that you have the right answer? This video lesson will show you how you can do this for a trigonometric equation. Learn what you need to watch for and how to get your answers.

Chapter Practice Exam

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Practice Final Exam

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