trigonometry

IPA: trˈɪgʌnˈɑmʌtri

(geometry, mathematical analysis) The branch of mathematics that deals with the relationships between the sides and angles of (in particular) right-angled triangles, as represented by the trigonometric functions, and with calculations based on said relationships.

Examples of "trigonometry" in Sentences

The term trigonometry was not used until the close of the sixteenth century.
You'd have to have advanced degrees in trigonometry and geometry to scale the heights of that number.
It makes me wonder if a kid who had no interest in trigonometry or symbolism in literature could grow up without ever learning those things and be okay.
Every edition released by the publisher has literally no new information (I can't imagine very many discoveries in trigonometry make their way into textbooks each year), but all new homework assignments.