# Ch 26: Algebra II - Trigonometry: Help and Review

The Algebra II: Trigonometry chapter of this High School Algebra II Help and Review course is the simplest way to master trig. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of trigonometry.

## Who's it for?

Anyone who needs help learning or mastering high school algebra material will benefit from taking this course. There is no faster or easier way to learn high school algebra. Among those who would benefit are:

• Students who have fallen behind in understanding how to graph sine and cosine transformations or how to work with graphing the tangent function
• Students who struggle with learning disabilities or learning differences, including autism and ADHD
• Students who prefer multiple ways of learning math (visual or auditory)
• Students who have missed class time and need to catch up
• Students who need an efficient way to learn about trigonometry
• Students who struggle to understand their teachers
• Students who attend schools without extra math learning resources

## How it works:

• Find videos in our course that cover what you need to learn or review.
• Press play and watch the video lesson.
• Refer to the video transcripts to reinforce your learning.
• Test your understanding of each lesson with short quizzes.
• Verify you're ready by completing the Algebra II: Trigonometry chapter exam.

## Why it works:

• Study Efficiently: Skip what you know, review what you don't.
• Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
• Be Ready on Test Day: Use the Algebra II: Trigonometry chapter exam to be prepared.
• Get Extra Support: Ask our subject-matter experts any trigonometry question. They're here to help!
• Study With Flexibility: Watch videos on any web-ready device.

## Students will review:

This chapter helps students review the concepts in an Algebra II: Trigonometry unit of a standard high school algebra II course. Topics covered include:

• Using unit circles to relate right triangles to sine and cosine
• Special right triangles
• Law of sines and law of cosines
• Double angle formula
• Solving trigonometric equations for X
• Basic trig identities

12 Lessons in Chapter 26: Algebra II - Trigonometry: Help and Review
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

### Earning College Credit

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