Ch 15: Introduction to Trigonometry

Go over an introduction to trigonometry with this chapter. Our lessons provide a fun and interactive way to brush up on fundamental trig topics, including definitions, formulas, and theories, which can prove useful as you complete class projects and study for upcoming exams.

Introduction to Trigonometry - Chapter Summary

This chapter offers you an introductory view of trigonometry, including some of the fundamental theorems and concepts you must understand to solve trigonometric problems. Many of the lessons in this chapter use videos, which include the keywords, definitions, and formulas displayed on the screen. Entertaining animations and other visual aids further enrich our learning resources. At the end of the chapter, you will have developed the knowledge to:

• Use the Pythagorean theorem to determine distance
• Compare the uses of cosine and sine in trigonometry
• Explain each of the basic trig identities
• Point out the connection between the Pythagorean theorem and trigonometry
• Summarize the concepts of trigonometric similarity and ratios
• Determine trigonometric ratios
• Find the cosine and sine of complementary angles
• Use sine to determine the area of a triangle
• Establish the applications of the law of sines and the law of cosines

10 Lessons in Chapter 15: Introduction to Trigonometry
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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