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Complex Numbers & Trig

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Visit this site: http://whyslopes.com/cms.php/5056Geometry_-_maps_plans_trigonometry_vectors/07007_Complex_Numbers/

Author:Alan Selby
Description: Complex Numbers and the Distributive Law for Complex Numbers, offering a short way to reach and explain trigonometry, the Pythagorean theorem, trig formulas for dot- and cross-products, the cosine law, and a converse to the Pythagorean theorem. A geometric story describes the complex numbers, or what mathematicians since Gauss in the 1840's have regarded as the complex numbers, providing a confirmation of the law of signs for real numbers. With an applet that illustrates operations with complex numbers.

Levels: High School (9-12), College
Languages: English
Resource Types: Books, Web Interactive/Java
Math Topics: Basic Algebra, Imaginary/Complex Numbers, Coordinate Plane Geometry, Trigonometry

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