Trigonometry

Cynthia Young's Trigonometry, 5th Edition helps students take the guesswork out of studying by offering them an easy to read and clear roadmap that tells them what to do, how to do it, and whether they did it right. With this revision, Cynthia Young tackles the most challenging topics in trigonometry, bringing clarity to those learning objectives. Trigonometry, Fifth Edition is written in a voice that speaks to students and mirrors how effective instructors communicate in lecture. Young's hallmark pedagogy enables students to become independent, successful learners. Key features like "Parallel Words and Math" and "Catch the Mistake" exercises are taken directly from classroom experience and keep the learning fresh and motivating.

1 Right Triangle Trigonometry 1

2 Trigonometric Functions 68

3 Radian Measure and the Unit Circle Approach 118

4 Graphing Trigonometric Functions 165

5 Trigonometric Identities 237

6 Solving Trigonometric Equations 293

7 Applications of Trigonometry: Triangles and Vectors 341

8 Complex Numbers, Polar Coordinates, and Parametric Equations 405

Appendix A 467

Appendix B 585

Appendix C 654

Answers To Odd-Numbered Exercises 658

Application Index 692

Subject Index 695