Definition of "trigonometric" [trig•o•no•met•ric]
 (adjective) of, relating to, or constructed using trigonometry
Use "trigonometric" in a sentence
 "The six functions just defined are variously known as the trigonometric, circular, or goniometric functions"
 "It should be noticed that while a, b, and h are lines, the ratio of any two of them is an abstract number; that is, the trigonometric functions are abstract numbers."
 "To make sure he was spacing the holes exactly right, he scrawled a triangle and some trigonometric calculations on a notepad."
Words like "trigonometric"

quadratic

trigonometrical

trigonometrical

trigonometric function

trigonometric series

third order

trigonometric addition formula

trigonometric identity

trigonometric integral

trigonometric interpolation

trigonometric polynomial

trigonometric power formula

trigonometric product formula

trigonometric rational function

trigonometric series formula

trigonometric substitution