# Trigonometry: A Unit Circle Approach,11th edition

• Michael Sullivan Joliet Junior College
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Prepare, practice, and review. Author Michael Sullivan's time-tested approach focuses you on the fundamental skills you need for your trigonometry course: prepare for class, practice with homework, and review the concepts. Trigonometry, 11th Edition prepares and supports you with access to help, where and when you require it. The hallmark Sullivan cycle of continuous preparation and retention, and the high-quality exercises that Sullivan texts are known for, provide the reinforcement you need. Practical features are offered throughout (such as “Preparing for This Section,” which  lists earlier concepts that will be useful in the section ahead with page references); all examples are written clearly and most conclude with a direction to Now Work, a related exercise that helps you to learn by doing; and much more.

### 1. Graphs and Functions

• 1.1 The Distance and Midpoint Formulas
• 1.2 Graphs of Equations in Two Variables; Circles
• 1.3 Functions and Their Graphs
• 1.4 Properties of Functions
• 1.5 Library of Functions; Piecewise-defined Functions
• 1.6 Graphing Techniques: Transformations
• 1.7 One-to-One Functions; Inverse Functions
• Chapter 1 Review, Test, and Projects

### 2. Trigonometric Functions

• 2.1 Angles, Arc, Length, and Circular Motion
• 2.2 Trigonometric Functions: Unit Circle Approach
• 2.3 Properties of the Trigonometric Functions
• 2.4 Graphs of the Sine and Cosine Functions
• 2.5 Graphs of the Tangent, Cotangent, Cosecant, and Secant Functions
• 2.6 Phase Shift; Sinusoidal Curve Fitting
• Chapter 2 Review, Test, and Projects

### 3. Analytic Trigonometry

• 3.1 The Inverse Sine, Cosine, and Tangent Functions
• 3.2 The Inverse Trigonometric Functions (Continued)
• 3.3 Trigonometric Equations
• 3.4 Trigonometric Identities
• 3.5 Sum and Difference Formulas
• 3.6 Double-angle and Half-angle Formulas
• 3.7 Product-to-Sum and Sum-to-Product Formulas
• Chapter 3 Review, Test, and Projects

### 4. Applications of Trigonometric Functions

• 4.1 Right Triangle Trigonometry; Applications
• 4.2 The Law of Sines
• 4.3 The Law of Cosines
• 4.4 Area of a Triangle
• 4.5 Simple Harmonic Motion; Damped Motion; Combining Waves
• Chapter 4 Review, Test, and Projects

### 5. Polar Coordinates; Vectors

• 5.1 Polar Coordinates
• 5.2 Polar Equations and Graphs
• 5.3 The Complex Plane; De Moivre's Theorem
• 5.4 Vectors
• 5.5 The Dot Product
• 5.6 Vectors in Space
• 5.7 The Cross Produc
• Chapter 5 Review, Test, and Projects

### 6. Analytic Geometry

• 6.1 Conics
• 6.2 The Parabola
• 6.3 The Ellipse
• 6.4 The Hyperbola
• 6.5 Rotation of Axes; General Form of a Conic
• 6.6 Polar Equations of Conics
• 6.7 Plane Curves and Parametric Equations
• Chapter 6 Review, Test, and Projects

### 7. Exponential and Logarithmic Functions

• 7.1 Exponential Functions
• 7.2 Logarithmic Functions
• 7.3 Properties of Logarithms
• 7.4 Logarithmic and Exponential Equations
• 7.5 Financial Models
• 7.6 Exponential Growth and Decay Models; Newton's Law; Logistic Growth and Decay
• 7.7 Building Exponential, Logarithmic, and Logistic Models from Data
• Chapter 7 Review, Test, and Projects

### Appendix A: Review

• A.1 Algebra Essentials
• A.2 Geometry Essentials
• A.3 Factoring Polynomials; Completing the Square
• A.4 Solving Equations
• A.5 Complex Numbers; Quadratic Equations in the Complex Number System
• A.6 Interval Notation; Solving Inequalities
• A.7 nth Roots; Rational Exponents
• A.8 Lines

### Appendix B: Graphing Utilities

• B.1 The Viewing Rectangle
• B.2 Using a Graphing Utility to Graph Equations
• B.3 Using a Graphing Utility to Locate Intercepts and Check for Symmetry
• B.4 Using a Graphing Utility to Solve Equations
• B.5 Square Screens
• B.6 Using a Graphing Utility to Graph Inequalities
• B.7 Using a Graphing Utility to Solve Systems of Linear Equations
• B.8 Using a Graphing Utility to Graph a Polar Equation
• B.9 Using a Graphing Utility to Graph Parametric Equations

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