The origins of trigonometry is usually attributed to Hipparchus.
Two mathematicians from UNSW have discovered that trigonometry came from Babylonians 1500 years earlier.
Here is The Telegraph article on it:
http://www.telegraph.co.uk/science/...bylonian-tablet-rewrites-history-maths-could/
Here is the more thorough research article in Historia Mathematica:
http://www.sciencedirect.com/science/article/pii/S0315086017300691
Two mathematicians from UNSW have discovered that trigonometry came from Babylonians 1500 years earlier.
Here is The Telegraph article on it:
http://www.telegraph.co.uk/science/...bylonian-tablet-rewrites-history-maths-could/
Here is the more thorough research article in Historia Mathematica:
http://www.sciencedirect.com/science/article/pii/S0315086017300691
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