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Geometry Chapter 11 Review
Geometry Chapter 11 Review

Cross Products Property - Mira Costa High School
Cross Products Property - Mira Costa High School

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Geometry Course Outline

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11-6 Chapter 11 Study Guide and Review p825 1

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... communicating and recording mathematics (p. 76). I will explore (using geometry theorems) how we can use  proofs of geometric theorems more effectively in class.   We must start by using proof as a means to understand mathematical sophistication and reasoning, and not  merely as a demonstration that ...
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Holt McDougal Algebra 2 10-2

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Chapter 4: Discovering and Proving Triangle Properties Note Sheet

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Rational trigonometry

Rational trigonometry is a proposed reformulation of metrical planar and solid geometries (which includes trigonometry) by Canadian mathematician Norman J. Wildberger, currently an associate professor of mathematics at the University of New South Wales. His ideas are set out in his 2005 book Divine Proportions: Rational Trigonometry to Universal Geometry. According to New Scientist, part of his motivation for an alternative to traditional trigonometry was to avoid some problems that occur when infinite series are used in mathematics. Rational trigonometry avoids direct use of transcendental functions like sine and cosine by substituting their squared equivalents. Wildberger draws inspiration from mathematicians predating Georg Cantor's infinite set-theory, like Gauss and Euclid, who he claims were far more wary of using infinite sets than modern mathematicians. To date, rational trigonometry is largely unmentioned in mainstream mathematical literature.
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