Trigonometry
/ˌtrɪɡ.əˈnɒm.ə.tri/noun
A branch of mathematics dealing with the relationships between the angles and sides of triangles.
Did you know?In ancient Greece, the study of triangles was not just math; it was believed to hold keys to understanding the universe and its divine proportions.
Etymological Timeline
Ancient Greek
Greek
τρίγωνον (trigonon)
“A three-cornered figure or triangle.”
Ancient Greek
Greek
μετρία (metria)
“Measurement.”
Middle Latin
Latin
trigonometriā
“The art of measuring triangles.”
16th Century
English
trigonometry
“The mathematical discipline concerned with the properties of triangles.”