Trigonometry

This text covers the content of a standard trigonometry course, beginning with a review of facts from geometry.

To go directly to the online text, click on this link. There you can see the expanded table of contents and read more about the text in the Preface.

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Table of Contents

1. Triangles and Circles
2. Trigonometric Ratios
3. Laws of Sines and Cosines
4. Trigonometric Functions
5. Equations and Identities
6. Radians
7. Circular Functions
8. More Functions and Identities
9. Vectors
10. Polar Coordinates and Complex Numbers

• This Trigonometry text can be useful to students in a variety of programs. Students familiar with triangle trig may be able to skip all or part of Chapters 1 through 3. Students preparing for technical courses may not need the material after Chapter 6 or 7. Chapters 9 and 10 are treated in some trigonometry courses but are often reserved for precalculus.
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