trigonometric(of or relating to trigonometry) adjective [UK: ˌtrɪ.ɡə.ˈnɒ.mə.tri] [US: ˌtrɪ.ɡə.ˈnɒ.mə.tri]I think that for many people learning the trigonometric functions is meaningless. = Creo que para muchas personas no tiene sentido aprender las funciones trigonométricas.