Rethinking Roots of Unity in Complex Algebra - Math Foundations 218
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Overview
Syllabus
The problem with "roots of unity"
The Unit Circle
Rational Parametrization
Quadrance and the product of unit complex numbers
Product sof two particular complex numbers
The difficulties with "angles" for complex numbers
Infinite series for circular functions
Roots of unity
How do you construct an accurate regular seven- gon?
Purely algebraic ways of solving z^7=1, without infinite processes
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