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YouTube

Trigonometric Identities

via YouTube

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Overview

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This course examines trigonometric identities and equations through roots of unity, Chebyshev polynomials, complex numbers, and unusual trigonometric functions.

Syllabus

An interesting trigonometry problem -- featuring roots of unity..
A classic trig identity! Featuring Chebyshev polynomials..
The trig functions you have never heard of!!.
A famous trig equation..
a golden value of cosine..
A nice complex trigonometric identity..
a complex approach to a basic identity..
the craziest trig simplification I have ever seen!!.

Taught by

Michael Penn

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