inverse cosine

1. 1.

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

   Synonymsarc cosinearccosinearccos

   Broadertrigonometric function

Questions about inverse cosine

What does inverse cosine mean?

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

What is another word for inverse cosine?

Close synonyms include arc cosine, arccosine, arccos. 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.