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 ...

The Babylonian civilization was at its peak roughly 4,000 years ago, with architecturally advanced cities throughout the region known today as Iraq. Babylonians were especially brilliant with math, ...

“We all rely on triangles to keep our modern world ticking along,” according to this disappointing paean. Parker (Humble Pi), a comedian and former math teacher who runs the Stand-up Maths YouTube ...

It's long been accepted that the ancient Greeks were responsible for developing the mathematical concept of trigonometry, but a new discovery indicates they weren't the first to figure it out after ...