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A review of the trigonometry commonly used in calculus, focusing on understanding where formulas come from and how to derive them. It covers unit-circle definitions, radians, trig functions and graphs, special triangles, and identities.
Syllabus
Trig Intro
Unit Circle Definitions
Why Radians
Pythagoras
Graphing cos and sin from unit circle
Special triangles
Computing Weird Trig Values
The other Trig Functions
Graphing Tan etc
Geometric Meaning of Sec and Tan
Other Pythagorean Identities
Trig Identities
Geometric Proof of Sum Rule
Brilliant.org/TreforBazett
Taught by
Dr. Trefor Bazett