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## Overview

In ALGEBRA AND TRIGONOMETRY, the best-selling author team explains concepts simply and clearly, without glossing over difficult points. They introduce problem solving and mathematical modeling early and reinforce it throughout, providing students with a solid foundation in the principles of mathematical thinking. Comprehensive and evenly paced, this edition provides complete coverage of the function concept, and integrates a significant amount of graphing calculator material to help students develop insight into mathematical ideas. The authors' attention to detail and clarity -- the same as found in James Stewart's market- leading calculus products -- makes this resource a proven market leader.

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WebAssign is a flexible and fully customizable online instructional solution that puts powerful tools in the hands of teachers, enabling you to realize your teaching goals and instantly assess individual student performance to help students learn math, not just do online homework.

## Features & Benefits

{{collapseContainerClosed['features'] ? 'Show More' : 'Show Less'}}- Focus on Modeling sections illustrate modeling techniques as well as how mathematics can be applied to model real-life situations. These sections, as well as others, are devoted to teaching students how to create their own mathematical models, rather than using prefabricated formulas.
- Real-world applications from engineering, physics, chemistry, business, biology, environmental studies, and other fields demonstrate how mathematics is used to model real-life situations.
- The chapters on trigonometry are written so professors can begin with either the right triangle approach or the unit circle approach.
- Each approach to trigonometry is accompanied by the applications appropriate for that approach, clarifying the reason for different approaches to trigonometry.
- Mathematics in the Modern World vignettes show that mathematics is a living science crucial to the scientific and technological progress of recent times, as well as to the social, behavioral, and life sciences.
- Discovery/Discussion/Writing problems at the end of every section encourage students to use and develop conceptual, critical thinking, and writing skills.
- Discovery Projects on the Book Companion Website engage students by providing a challenging but accessible set of activities that enable them (perhaps working in groups) to explore in greater depth an interesting aspect of the topic they have just learned.
- Review Sections and Chapter Tests at the end of each chapter help students gauge their learning progress. Brief answers to the odd-numbered exercises in each section and to all questions in the Chapter Tests are provided at the back of the book.

### Algebra and Trigonometry

#### TABLE OF CONTENTS

To the Student.

Prologue: Principles of Problem Solving.

P. PREREQUISITES.

P1. Modeling the Real-World with Algebra. P2. The Real Numbers. P3. Integer Exponents and Scientific Notation. P4. Rational Exponents and Radicals.

P5. Algebraic Expressions. P6. Factoring. P7. Rational Expressions. P8. Solving Basic Equations. P9. Modeling with Equations. Chapter P Review. Chapter P Test.

FOCUS ON MODELING: MAKING THE BEST DECISIONS.

1. EQUATIONS AND GRAPHS.

1.1 The Coordinate Plane. 1.2 Graphs of Equations in Two Variables; Circles. 1.3 Lines. 1.4 Solving Quadratic Equations. 1.5 Complex Numbers. 1.6 Solving Other Types of Equations. 1.7 Solving Inequalities. 1.8 Solving Absolute Value Equations and Inequalities. 1.9 Solving Equations and Inequalities Graphically. 1.10 Modeling Variations. Chapter 1 Review. Chapter 1 Test.

FOCUS ON MODELING: Fitting Lines to Data.

2. FUNCTIONS.

Chapter Overview.2.1 Functions. 2.2 Graphs of Functions. 2.3 Getting Information from the Graph of a Function. 2.4 Average Rate of Change of a Function. 2.5 Linear Functions and Models. 2.6 Transformations of Functions. 2.7 Combining Functions. 2.8 One-to-One Functions and Their Inverses. Chapter 2 Review. Chapter 2 Test.

FOCUS ON MODELING: MODELING WITH FUNCTIONS.

3. POLYNOMIAL AND RATIONAL FUNCTIONS.

Chapter Overview. 3.1. Quadratic Functions and Models. 3.2 Polynomial Functions and Their Graphs. 3.3 Dividing Polynomials. 3.4 Real Zeros of Polynomials. 3.5 Complex Zeros and the Fundamental Theorem of Algebra. 3.6 Rational Functions. 3.7 Polynomial and Rational Inequalities. Chapter 3 Review. Chapter 3 Test.

FOCUS ON MODELING: FITTING POLYNOMIAL CURVES TO DATA.

4. EXPONENTIAL AND LOGARITHMIC FUNCTIONS.

Chapter Overview. 4.1 Exponential Functions. 4.2 The Natural Exponential Function. 4.3 Logarithmic Functions. 4.4 Laws of Logarithms. 4.5 Exponential and Logarithmic Equations. 4.6 Modeling with Exponential Functions. 4.7 Logarithmic Scales. Chapter 4 Review. Chapter 4 Test.

FOCUS ON MODELING: FITTING EXPONENTIAL AND POWER CURVES TO DATA.

5. TRIGONOMETRIC FUNCTIONS: RIGHT TRIANGLE APPROACH.

Chapter Overview.

5.1 Angle Measure.

5.2 Trigonometry of Right Triangles.

5.3 Trigonometric Functions of Angles. 5.4 Inverse Trigonometric Functions and Triangles. 5.5 The Law of Sines. 5.6 The Law of Cosines. 5.7 Chapter 5 Review. Chapter 5 Test.

FOCUS ON MODELING: SURVEYING.

1. TRIGONOMETRIC FUNCTIONS: UNIT CIRCLE APPROACH.

Chapter Overview.

6.1 The Unit Circle. 6.2 Trigonometric Functions of Real Numbers. 6.3 Trigonometric Graphs. 6.4 More Trigonometric Graphs. 6.5 Inverse Trigonometric Functions and Their Graphs. 6.6 Modeling Harmonic Motion. Chapter 6 Review. Chapter 6 Test.

FOCUS ON MODELING: FITTING SINUSOIDAL CURVES TO DATA.

7. CONIC SECTIONS.

Chapter Overview.

7.1 Trigonometric Identities. 7.2 Addition and Subtraction Formulas. 7.3 Double-Angle, Half-Angle, and Sum-Product Formulas. 7.4 Basic Trigonometric Equations. 7.5 More Trigonometric Equations. Chapter 7 Review. Chapter 7 Test.

FOCUS ON MODELING: TRAVELING AND STANDING WAVES.

8. POLAR COORDINATES AND PARAMETRIC EQUATIONS.

Chapter Overview. 8.1 Polar Coordinates. 8.2 Graphs of Polar Equations. 8.3 Polar Form of Complex Numbers; De Moivre''s Theorem. 8.4 Plane Curves and Parametric Equations. Chapter 8 Review. Chapter 8 Test.

FOCUS ON MODELING: THE PATH OF A PROJECTILE.

9. VECTORS IN TWO AND THREE DIMENSIONS.

Chapter Overview. 9.1 Vectors in Two Dimensions. 9.2 The Dot Product. 9.3 Three–Dimensional Coordinate Geometry. 9.4 Vectors in Three Dimensions. 9.5 The Cross Product. 9.6 Equations of Lines and Planes. Chapter 9 Review. Chapter 9 Test.

FOCUS ON MODELING: VECTOR FIELDS.

10. SYSTEMS OF EQUATIONS AND INEQUALITIES.

10.1 Systems of Linear Equations in Two Variables. 10.2 Systems of Linear Equations in Several Variables. 10.3 Partial Fractions. 10.4 Systems of Nonlinear Equations. 10.5 Systems of Inequalities. Chapter 10 Review. Chapter 10 Test.

FOCUS ON MODELING: LINEAR PROGRAMMING.

11. MATRICES AND DETERMINANTS.

11.1 Matrices and Systems of Linear Equations. 11.2 The Algebra of Matrices. 11.3 Inverses of Matrices and Matrix Equations. 11.4 Determinants and Cramer''s Rule. Chapter 11 Review. Chapter 11 Test.

FOCUS ON MODELING: COMPUTER GRAPHICS.

12. CONIC SECTIONS.

Chapter Overview. 12.1 Parabolas. 12.2 Ellipses. 12.3 Hyperbolas. 12.4 Shifted Conics. 12.5 Rotation of Axes. 12.6 Polar Equations of Conics. Chapter 12 Review. Chapter 12 Test.

FOCUS ON MODELING: CONICS IN ARCHITECTURE.

13. SEQUENCES AND SERIES.

Chapter Overview. 13.1 Sequences and Summation Notation. 13.2 Arithmetic Sequences. 13.3 Geometric Sequences. 13.4 Mathematics of Finance. 13.5 Mathematical Induction. 13.6 The Binomial Theorem. Chapter 13 Review. Chapter 13 Test.

FOCUS ON MODELING: MODELING WITH RECURSIVE SEQUENCES.

14. COUNTING AND PROBABILITY.

14.1 Counting. 14.2 Probability. 14.3 Binomial Probability. 14.4 Expected Value. Chapter 14 Review. Chapter 14 Test.

FOCUS ON MODELING: THE MONTE CARLO METHOD.

APPENDIX A: Geometry Review.

APPENDIX B: Calculations and Significant Figures.

APPENDIX C: Graphing with a Graphing Calculator.

APPENDIX D: Using the TI-83/84 Graphing Calculator.

Cengage provides a range of supplements that are updated in coordination with the main title selection. For more information about these supplements, contact your Learning Consultant.

### FOR INSTRUCTORS

#### Online Instructor's Companion Web Site with Instructor's Guide

ISBN: 9781305118249

This helpful teaching companion contains points to stress, suggested time to allot, text discussion topics, core materials for lectures, workshop/discussion suggestions, group work exercises in a form suitable for handout, solutions to group work exercises, and suggested homework problems.

#### Online Test Bank

ISBN: 9781305118256

This supplement includes test forms for every chapter of the text, and can be found on the instructor companion site.

#### Cengage Learning Testing, powered by Cognero Instant Access

ISBN: 9781305251113

Cengage Learning Testing Powered by Cognero is a flexible, online system that allows you to author, edit, and manage test bank content; create multiple test versions in an instant; and deliver tests from your LMS, your classroom or wherever you want. This is available online via the Instructor Companion Site at www.cengage.com/login

#### Study Guide

ISBN: 9781305118164

This carefully crafted guide helps students develop problem-solving skills while reinforcing their understanding with detailed explanations, worked-out examples, lists of key concepts to master, and practice problems. Each section of the main text has a corresponding section in the Study Guide.

#### Student Solutions Manual

ISBN: 9781305118157

### FOR STUDENTS

#### Study Guide

ISBN: 9781305118164

This carefully crafted guide helps you develop problem-solving skills while reinforcing your understanding with detailed explanations, worked-out examples, lists of key concepts to master, and practice problems. Each section of the main text has a corresponding section in the Study Guide.

#### Student Solutions Manual

ISBN: 9781305118157

Contains fully worked-out solutions to all of the odd-numbered exercises in the text, giving students a way to check their answers and ensure that they took the correct steps to arrive at an answer.