Circular functions, triangle relationships, identities, inverse trig functions, trigonometric equations, vectors, complex numbers, DeMoivre's theorem.
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MATH 110 (College Algebra)—or equivalent skill
Course Outline: 
Lesson 1: Graphing Techniques: Transformations
Lesson 2: One-to-One Functions; Inverse Functions
Lesson 3: Angles and Their Measure
Lesson 4: Trigonometric Functions: Unit Circle Approach
Lesson 5: Properties of the Trigonometric Functions
Lesson 6: Graphs of the Sine and Cosine Functions
Lesson 7: Graphs of the Tangent, Cotangent, Cosecant, and Secant Functions
Lesson 8: Phase Shift; Sinusoidal Curve Fitting
Lesson 9: The Inverse Sine, Cosine, and Tangent Functions
Lesson 10: The Inverse Trigonometric Functions (Continued)
Lesson 11: Trigonometric Identities
Lesson 12: Sum and Difference Formulas
Lesson 13: Double-angle and Half-angle Formulas
Lesson 14: Product-to-Sum and Sum-to-Product Formulas
Lesson 15: Trigonometric Equations, Part I
Lesson 16: Trigonometric Equations, Part II
Lesson 17: Applications Involving Right Triangles
Lesson 18: The Law of Sines
Lesson 19: The Law of Cosines
Lesson 20: Area of a Triangle
Lesson 21: Simple Harmonic Motion; Damped Motion; Combining Waves
Lesson 22: Polar Coordinates
Lesson 23: Polar Equations and Graphs
Lesson 24: The Complex Plane; De Moivre’s Theorem