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Author Topic: World's first trigonometry revealed in ancient Babylonian tablet  (Read 856 times)

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Offline ABX

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World's first trigonometry revealed in ancient Babylonian tablet
« on: August 25, 2017, 03:34:36 pm »
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The ancient Babylonians - who lived from about 4,000 BCE in what is now Iraq - had a long forgotten understanding of right-angled triangles that was much simpler and more accurate than the conventional trigonometry we are taught in schools.....

https://www.upi.com/Science_News/2017/08/25/Worlds-first-trigonometry-revealed-in-ancient-Babylonian-tablet/2181503668755/


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Offline RoosGirl

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Re: World's first trigonometry revealed in ancient Babylonian tablet
« Reply #1 on: August 25, 2017, 04:02:18 pm »
Interesting!
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Online Hoodat

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Re: World's first trigonometry revealed in ancient Babylonian tablet
« Reply #2 on: August 25, 2017, 04:36:18 pm »
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Our new research, published in Historia Mathematica, shows that the Babylonians were able to construct a trigonometric table using only the exact ratios of sides of a right-angled triangle. This is a completely different form of trigonometry that does not need the familiar modern concept of angles.

The ratios of the sides are the sine, cosine, and tangent.  Nothing different about that.
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