Preface Resources for Success 1. Trigonometric Functions 1-1 Angles 1-2 Angle Relationships and Similar Triangles 1-3 Trigonometric Functions 1-4 Using the Definitions of the Trigonometric Functions Test Prep Review Exercises Test 2. Acute Angles and Right Triangles 2-1 Trigonometric Functions of Acute Angles 2-2 Trigonometric Functions of Non-Acute Angles 2-3 Approximations of Trigonometric Function Values 2-4 Solutions and Applications of Right Triangles 2-5 Further Applications of Right Triangles Test Prep Review Exercises Test 3. Radian Measure and the Unit Circle 3-1 Radian Measure 3-2 Applications of Radian Measure 3-3 The Unit Circle and Circular Functions 3-4 Linear and Angular Speed Test Prep Review Exercises Test 4. Graphs of the Circular Functions 4-1 Graphs of the Sine and Cosine Functions 4-2 Translations of the Graphs of Sine and Cosine Functions 4-3 Graphs of the Tangent and Cotangent Functions 4-4 Graphs of the Secant and Cosecant Functions 4-5 Harmonic Motion Test Prep Review Exercises Test 5. Trigonometric Identities 5-1 Fundamental Identities 5-2 Verifying Trigonometric Identities 5-3 Sum and Difference Identities for Cosine 5-4 Sum and Difference Identities for Sine and Tangent 5-5 Double-Angle Identities 5-6 Half-Angle Identities Test Prep Review Exercises Test 6. Inverse Circular Functions and Trigonometric Equations 6-1 Inverse Circular Functions 6-2 Trigonometric Equations I 6-3 Trigonometric Equations II 6-4 Equations Involving Inverse Trigonometric Functions Test Prep Review Exercises Test 7. Applications of Trigonometry and Vectors 7-1 Oblique Triangles and the Law of Sines 7-2 The Ambiguous Case of the Law of Sines 7-3 The Law of Cosines 7-4 Geometrically Defined Vectors and Applications 7-5 Algebraically Defined Vectors and the Dot Product Test Prep Review Exercises Test 8. Complex Numbers, Polar Equations, and Parametric Equations 8-1 Complex Numbers 8-2 Trigonometric (Polar) Form of Complex Numbers 8-3 The Product and Quotient Theorems 8-4 De Moivre's Theorem 8-5 Polar Equations and Graphs 8-6 Parametric Equations, Graphs, and Applications Test Prep Review Exercises Test Appendices A. Equations and Inequalities B. Graphs of Equations C. Functions D. Graphing Techniques Answers to Selected Exercises Photo Credits Index

MATH080