Search Result for "arccos": 
Wordnet 3.0

NOUN (1)

1. the inverse function of the cosine; the angle that has a cosine equal to a given number;
[syn: arc cosine, arccosine, arccos, inverse cosine]



WordNet (r) 3.0 (2006):

arccos
    n 1: the inverse function of the cosine; the angle that has a
         cosine equal to a given number [syn: arc cosine,
         arccosine, arccos, inverse cosine]