A 3700-year-old clay tablet from Babylon may be the oldest known record of concepts of trigonometry, the field of mathematics that studies relations between lengths of sides and angles of triangles.

Trigonometric identities might seem like abstract mathematical concepts, but they're actually powerful problem-solving tools that can transform seemingly impossible equations into manageable solutions ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the mid-twentieth century, ...