circular function, n.
function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
<noun.relation>
circular function trigonometric function
semantic pointers
hypernym
hyponym
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