Trigonometry

1 Angles and the Unit Circle
1.1 Angle Measure
1.2 The Unit Circle
1.3 Reference Angles
2 Trigonometric Functions
2.1 Sine, Cosine, and Tangent
2.2 Cosecant, Secant, and Cotangent
2.3 Domains and Ranges
2.4 Graphs of Sine and Cosine
2.5 Amplitude, Period, and Phase Shift
3 Trigonometric Identities
3.1 Pythagorean Identities
3.2 Addition and Subtraction Formulas
3.3 Double Angle Formulas
3.4 Half Angle Formulas
3.5 Product-to-Sum and Sum-to-Product
4 Inverse Trigonometric Functions
4.1 Definitions and Domains
4.2 Compositions with Trig Functions
5 Solving Triangles
5.1 Right Triangle Trigonometry
5.2 Law of Sines
5.3 Law of Cosines
5.4 Applications
6 Trigonometric Equations
6.1 Solving Basic Equations
6.2 Using Identities to Solve Equations