Precalculus: With Unit Circle Trigonometry

Precalculus: With Unit Circle Trigonometry

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David Cohena€™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. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.Multiplying both sides of this equation by r yields ur s; that is, s ru, which is the arc length formula. To derive ... as A ku (5) To determine the value of the constant k, we use the fact that when u 2p, the sector is actually a full circle with area pr2.

Title:Precalculus: With Unit Circle Trigonometry
Author:David Cohen
Publisher:Cengage Learning - 2005-03-21


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