# Ch 14: McDougal Littell Algebra 2 Chapter 14: Trigonometric Graphs, Identities, and Equations

The Trigonometric Graphs, Identities, and Equations chapter of this McDougal Littell Algebra 2 textbook companion course helps students learn the essential algebra 2 lessons of trigonometric graphs, identities, and equations. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Trigonometric Graphs, Identities, and Equations textbook chapter.

## How it works:

• Identify the lessons in the McDougal Littell Algebra 2 Trigonometric Graphs, Identities, and Equations chapter with which you need help.
• Find the corresponding video lessons within this companion course chapter.
• Watch fun videos that cover the trigonometric graphs, identities, and equations topics you need to learn or review.
• Complete the quizzes 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.

## Students will learn:

• Graphs of sine and cosine
• Graphs of tangent functions
• Sine and cosine transformation graphs
• Basic trig identities
• Alternate forms of basic trigonometric identities
• Methods for proving trig identities
• Applications for trigonometric functions
• Trigonometric equations
• Sum and difference formulas
• Double and half-angle formulas
• Half-angle identities

McDougal Littell Algebra 2 is a registered trademark of Houghton Mifflin Harcourt, which is not affiliated with Study.com.

9 Lessons in Chapter 14: McDougal Littell Algebra 2 Chapter 14: Trigonometric Graphs, Identities, and Equations
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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