History of trigonometry2
The World of τριγωνομετρία. τριγωνομετρία (Greek) τριγωνομετρία = trigonometria = trigonometry τριγώνου = Trigó ̱ nou = trigonon =
The World of τριγωνομετρία
Teaching Trigonometry from a Historical Perspective A presentation by Mark Jaffee at the Ohio Council of Teachers of Mathematics Annual Conference Dayton,