Babylonian trigonometry was precise, long before Greek approximation

[Northerner]

Seems that by using base 60 and the ratios of the length of triangles sides, rather than the relative angles, the Babylonians had triangles totally down. So much simpler, so much more accurate.

Now I hate my old high school maths more than ever.

Written in stone: the world’s first trigonometry revealed in an ancient Babylonian tablet

A 3,700-year old Babylonian clay tablet reveals an ancient method of constructing right-angled triangles that makes it the world’s oldest and most accurate trigonometric table.

theconversation.com