eText Reference for Trigsted Trigonometry

1. An Introduction to Trigonometric Functions

1.1 An Introduction to Angles: Degree and Radian Measure

1.2 Applications of Radian Measure

1.3 Triangles

1.4 Right Triangle Trigonometry

1.5 Trigonometric Functions of General Angles

1.6 The Unit Circle



2. The Graphs of Trigonometric Functions

2.1 The Graphs of Sine and Cosine

2.2 More on Graphs of Sine and Cosine; Phase Shift

2.3 The Graphs of the Tangent, Cotangent , Cosecant, and Secant Functions

2.4 Inverse Trigonometric Functions I

2.5 Inverse Trigonometric Functions II



3.Trigonometric Identities, Formulas, and Equations

3.1 Trigonometric Identities

3.2 The Sum and Difference Formulas

3.3 The Double-Angle and Half-Angle Formulas

3.4 The Product-to-Sum and Sum-to-Product Formulas

3.5 Trigonometric Equations



4. Applications of Trigonometry

4.1 Right Triangle Applications

4.2 The Law of Sines

4.3 The Law of Cosines

4.4 Area of Triangles



5. Polar Equations, Complex Numbers, and Vectors

5.1 Polar Coordinates and Polar Equations

5.2 Graphing Polar Equations

5.3 Complex Numbers in Polar Form; DeMoivre's Theorem

5.4 Vectors

5.5 The Dot Product



Appendix A: Degree, Minute, Second Form and Degree Decimal Form