rational trigonometry

0:10:00

Red geometry (II) | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:28:54

The group of blue planar isometries | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:19:26

Spreads, determinants and chromogeometry (I) | WildTrig: Intro to Rational Trigonometry

0:07:37

Chromogeometry and the Omega triangle | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:47

Green geometry (I) | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:08:51

Green geometry (II) | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:45

Circles in red geometry | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:58

Proofs in chromogeometry | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:49

Triangle spread rules | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:08:37

Pythagorean triples | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:22

Harmonic ranges and pencils | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:24:25

The true role of the circular functions | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:50:25

Rational trigonometry, generalized triangle geometry and four-fold incenter symmetry

0:10:02

Determinants in geometry (I) | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:20:26

Spreads, determinants and chromogeometry (II) | WildTrig: Intro to Rational Trigonometry

0:09:58

Triangle spread rules in action | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:39

Squares in a pentagon | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:09:17

Acute and obtuse triangles | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:08:35

Red geometry (III) | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:19:23

Determinants in Geometry (III) | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:07:54

Chromogeometry and nine-point circles | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:08:11

The 6-7-8 triangle | WildTrig: Intro to Rational Trigonometry | N J Wildberger

0:17:42

N J Wildberger Research Snapshot: Rational trigonometry and universal geometry

0:31:20

Rational trigonometry in three dimensions | Universal Hyperbolic Geometry 40 | NJ Wildberger