The Cosecant Function

Period and Amplitude of Periodic Functions

The Tangent Function

The Tangent Function

Sine and Cosine — Period and Amplitude

Periodic Functions

The Unit Circle

The Law of Cosines

Area of a Triangle — The General Formula

Quadrantal Angles

Trigonometric Functions and Reference Angles

Inverse Trigonometric Ratios

The Six Trigonometric Functions

Chapter 3 Review — Part 2: The Circle

Chapter 3 Review — Part 2: The Circle

Chapter 3 Review — Part 1

The Equation of a Circle

Angles Formed Outside a Circle

Special Segments in a Circle

The Tangent–Chord Angle