arc cosine

1. 1.

   the inverse function of the cosine; the angle that has a cosine equal to a given number

   Synonymsarccosinearccosinverse cosine

   Broadertrigonometric function

Questions about arc cosine

What does arc cosine mean?

arc cosine means "the inverse function of the cosine; the angle that has a cosine equal to a given number".

What is another word for arc cosine?

Close synonyms include arccosine, arccos, inverse cosine. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.