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# Rational Trigonometry

### Course Description

In this course, Prof. N.J. Wildberger gives 72 video lectures on Rational Trigonometry.

This video series on Rational Trigonometry (RT) and related geometry presents a much needed alternative to the traditional tedious and painful subject of trigonometry, which alienates millions of students each year from mathematics. By dispensing with transcendental notions, circular functions and square roots, this new theory gives simpler, faster and more accurate ways to solve a wide variety of engineering, surveying, physics and geometry problems, essentially only with high school algebra (that's right, calculators or trig tables are not required). RT is also a much more satisfying and logical way to introduce young people to the beauty and elegance of geometry, and teaches them that mathematics should, first and foremost, always make sense. Prepare to depart on a modern adventure, in the spirit of the ancient Greeks! Assoc Prof N J Wildberger is the author of the first book on this subject, 'Divine Proportions: Rational Trigonometry to Universal Geometry'. He is also and innovative and highly regarded teacher in the School of Mathematics and Statistics at UNSW.

**Lecture 37: Affine Geometry and Vectors**.

**3**ratings

### Video Lectures & Study Materials

## Comments

**Disclaimer:**

*If any embedded videos constitute copyright infringement, we strictly recommend contacting the website hosts directly to have such videos taken down. In such an event, these videos will no longer be playable on CosmoLearning or other websites.

Ahmed elsamin wrote 11 years ago.Eng/ Ahmed elsamin

To all concern

New method about general angle division and angle

trisection on a links

target="_blank">http://www.mathramz.com/math/node/1726>

target="_blank">http://www.mathramz.com/math/node/1723>

Discovered By

Eng/ Ahmed elsamin

[email protected]

(Arab Republic of Egypt)