The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...
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 ...
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