Precalculus: With Unit Circle Trigonometry

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Cengage Learning, Mar 21, 2005 - Mathematics - 1200 pages
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David Cohen's PRECALCULUS, WITH UNIT-CIRCLE TRIGONOMETRY, Fourth Edition, focuses on teaching mathematics, using a graphical perspective throughout to provide a visual understanding of college algebra and trigonometry. The author is known for his clear writing style and the numerous quality exercises and applications he includes in his respected texts. In this new edition, graphs, visualization of data, and functions are now introduced much earlier and receive greater emphasis. Many sections now contain more examples and exercises involving applications and real-life data. While this edition takes the existence of the graphing calculator for granted, the material is arranged so that one can teach the course with as much or as little graphing utility work as he/she wishes.
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Contents

Fundamentals
1
Equations and Inequalities
80
Functions
129
Polynomial and Rational Functions Applications to Optimization
213
Exponential and Logarithmic Functions
325
The Trigonometric Functions
423
Graphs of theTrigonometric Functions
495
Analytical Trigonometry
563
Systems of Equations
729
The Conic Sections
817
Roots of Polynomial Equations
898
Additional Topics in Algebra
973
A
1
B
8
Answers to Selected Exercises
37
Index
135

Additional Topics In Trigonometry
633

Common terms and phrases

About the author (2005)

David Cohen is a British joutnalist who has written for The Independent, The Guardian, and British GQ, as well as The New York Times. In 1997, he was the recipient of a harkness fellowship hosted by Columbia University, which enabled him to write this book. He lives in london with his wife and two daughters.

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