Hello..
Read this:
Here is fascinating mathematical work of arabs that demonstrates
undoubted genius, a new research shows the Babylonians, not the Greeks,
were the first to study trigonometry -- the study of triangles -- and
reveals an ancient mathematical sophistication that had been hidden
until now.
Mathematical mystery of ancient Babylonian clay tablet solved
Read more here:
https://www.sciencedaily.com/releases/2017/08/170824141250.htm
Thank you,
Amine Moulay Ramdane.