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Ch 24: Trigonometric Applications: Precalculus Lesson Plans

About This Chapter

The Trigonometric Applications chapter of this course is designed to help you plan and teach problem solving using the Law of Sines and Law of Cosines in your classroom. The video lessons, quizzes and transcripts can easily be adapted to provide your lesson plans with engaging and dynamic educational content. Make planning your course easier by using our syllabus as a guide.

Weekly Syllabus

Below is a sample breakdown of the Trigonometric Applications chapter into a 5-day school week. Based on the pace of your course, you may need to adapt the lesson plan to fit your needs.

DayTopic Key Terms and Concepts Covered
Monday The Law of Cosines and oblique triangles Using the Law of Cosines to find missing sides and angles of oblique triangles
Tuesday Real world uses for the Law of Cosines Using the Law of Cosines to solve real world problems
Wednesday The Law of Sines and triangles Using the Law of Sines to find missing sides and angles of triangles
ThursdayThe Law of Sines in the real world Solving real world problems using the Law of Sines
Friday Proving formulas for sine, cosine and tangent Proving addition and subtraction formulas for sine, cosine and tangent and using them to solve problems

5 Lessons in Chapter 24: Trigonometric Applications: Precalculus Lesson Plans
Test your knowledge with a 30-question chapter practice test
Solving Oblique Triangles Using the Law of Cosines

1. Solving Oblique Triangles Using the Law of Cosines

After watching this video lesson, you will be able to use the law of cosines to help you find a missing side or missing angle of any kind of triangle. Also, you will see what oblique triangles are.

Solving Real World Problems Using the Law of Cosines

2. Solving Real World Problems Using the Law of Cosines

After watching this video lesson, you will be able to use the law of cosines to solve real-world problems. Learn what kinds of real-world problems the law of cosines can help you solve.

Using the Law of Sines to Solve a Triangle

3. Using the Law of Sines to Solve a Triangle

After watching this video lesson, you will be able to use the law of sines to find a missing side of a triangle as well as a missing angle of a triangle. Learn what you need to know about the triangle in order to use the formula.

Solving Real World Problems Using the Law of Sines

4. Solving Real World Problems Using the Law of Sines

After watching this video lesson, you will be able to use the law of sines to solve problems that you will encounter in the real world. Learn what kind of shape you need in order to solve your real world problems.

Proving the Addition & Subtraction Formulas for Sine, Cosine & Tangent

5. Proving the Addition & Subtraction Formulas for Sine, Cosine & Tangent

Watch this video lesson, and you will see how the angle sum and difference identities are derived for sine, cosine, and tangent. You will also learn how you can use these identities to help you solve problems.

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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Other Chapters

Other chapters within the High School Precalculus Syllabus Resource & Lesson Plans course

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