Divine Proportions: Rational Trigonometry to Universal Geometry

Divine Proportions: Rational Trigonometry to Universal Geometry

Author
N J Wildberger
Publisher
Wild Egg Books
Language
English
Year
2005
Page
320
ISBN
097574920X,9780975749203
File Type
pdf
File Size
3.0 MiB

This revolutionary book establishes new foundations for trigonometry and Euclidean geometry. It shows how to replace transcendental trig functions with high school arithmetic and algebra to dramatically simplify the subject, increase accuracy in practical problems, and allow metrical geometry to be systematically developed over a general field. This new theory brings together geometry, algebra and number theory and sets out new directions for algebraic geometry, combinatorics, special functions and computer graphics. The treatment is careful and precise, with over one hundred theorems and 170 diagrams, and is meant for a mathematically mature audience. Gifted high school students will find most of the material accessible, although a few chapters require calculus. Applications include surveying and engineering problems, Platonic solids, spherical and cylindrical coordinate systems, and selected physics problems, such as projectile motion and Snell's law. Examples over finite fields are also included.

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