English Explanatory Dictionary

arccosine

English dictionary entry

Meanings

noun
  1. Any of several single-valued or multivalued functions that are inverses of the cosine function.

Word forms

arccosine arccosines

Etymology

Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcusder. English arc- Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- Proto-Indo-European *sinos Proto-Italic *sinus Latin sinusbor. English sine English cosine English arccosine From arc- + cosine.

Synonyms

anticosine inverse cosine arccos cos-1
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