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Trigonometry

# Trigonometric functions

- Unit circle introduction
- Radians
- The Pythagorean identity
- Special trigonometric values in the first quadrant
- Trigonometric values on the unit circle
- Graphs of sin(x), cos(x), and tan(x)
- Amplitude, midline, and period
- Transforming sinusoidal graphs
- Graphing sinusoidal functions
- Sinusoidal models
- Long live Tau