Babylonians used more advanced trigonometry than we do today, 3,700 years ago.

[bob10]

Found out by an Aussie.

Babylonians developed trigonometry 'superior' to modern day version 3,700 years ago (http://www.msn.com/en-au/news/techandscience/babylonians-developed-trigonometry-superior-to-modern-day-version-3700-years-ago/ar-AAqFrjd?li=AAavLaF&ocid=spartandhp)