This full-color text introduces trigonometry through the unit-circle approach. It emphasizes graphing to explain concepts and incorporates graphing calculators in optional sections where appropriate. Over 5000 exercises provide a thorough preparation for calculus. The exercises are divided into A, B, and C sets to enable instructors to customize the level of their course.

About the Author

David Cohen, a senior lecturer at UCLA, was the original author of the successful, well-respected precalculus series--COLLEGE ALGEBRA, ALGEBRA AND TRIGONOMETRY, PRECALCULUS: A PROBLEMS-ORIENTED APPROACH, and PRECALCULUS: WITH UNIT CIRCLE TRIGONOMETRY.

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