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Learn Key Concepts
Explore the fundamental concepts and skills for this unit through our interactive lessons.
The Unit Circle
sin, cos & tan in the unit circle
Trigonometric Functions
Graphs of sinx and cosx, as well as their domain and range.
General sinusoidal functions, and modeling periodic phenomena.
tanx and reciprocal trig functions, as well as inverse trig functions.
Trigonometric Identities
Trig Equations