Circular (Trigonometric) Functions

What this note covers

1. 1. The Unit Circle and Definitions
2. 2. Exact Values
3. 3. Graphs of sin x, cos x, and tan x
4. 4. Transformations: Amplitude, Period, Phase Shift, and Vertical Translation
5. 5. Symmetry Properties of Circular Functions
6. 6. Solving Trigonometric Equations Over a Domain
7. 7. The Pythagorean Identity and Further Relations

7 sections · 14 key terms & formulas · 6 common mistakes