Noun trigonometric function has 1 sense

• trigonometric function(n = noun.linkdef) circular function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle; Array
is a kind of function, map, mapping, mathematical function, single-valued function
has particulars: sin, sine, arc sine, arcsin, arcsine, inverse sine, cos, cosine, arc cosine, arccos, arccosine, inverse cosine, tan, tangent, arc tangent, arctan, arctangent, inverse tangent, cotan, cotangent, arc cotangent, arccotangent, inverse cotangent, sec, secant, arc secant, arcsec, arcsecant, inverse secant, cosec, cosecant, arc cosecant, arccosecant, inverse cosecant