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Pi is (still) wrong
Catogry:
Math
Subject:
Trigonometry
Course:
The Unit Circle Definition Of Sine, Cosine, And Tangent
Lecture List
Pi is (still) wrong
Tau versus pi
Using the Pythagorean trig identity
Proof of the Pythagorean trig identity
Trig values of special angles
Tangent identities: periodicity
Sine & cosine identities: periodicity
Tangent identities: symmetry
Sine & cosine identities: symmetry
Intersection points of y=sin(x) and y=cos(x)
Graph of y=tan(x)
Graph of y=sin(x)
The trig functions & right triangle trig ratios
Unit circle
Radian angles & quadrants
Radians to degrees
Degrees to radians
Radians & degrees
Intro to radians
Intro to radians