This clay tablet written around the year 1800 B.C.E. may represent the oldest known use of trigonometry UNSW / Andrew Kelly A new analysis of a long-studied Babylonian tablet suggests that ...

Scientists recently decoded a clay tablet from ancient Babylonia that dates to around 3,700 years ago, and found that it contains the oldest trigonometric table in the world. The tablet, discovered in ...

Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...