function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: trigonometric function
Antonyms: none provided
Broader terms: function, mathematical function, single-valued function, map, mapping
Narrower terms: sine, sin, arc sine, arcsine, arcsin, inverse sine, cosine, cos, arc cosine, arccosine, arccos, inverse cosine, tangent, tan, arc tangent, arctangent, arctan, inverse tangent, cotangent, cotan, arc cotangent, arccotangent, inverse cotangent, secant, sec, arc secant, arcsecant, arcsec, inverse secant, cosecant, cosec, arc cosecant, arccosecant, inverse cosecant