cosine

Fetched 2026-10-26 (cache).

Synonyms: conine, corine, cosin, eosine, cosmine, coline, cosie, covine, rosine, copine, cozine

Antonyms: conine, corine, cosin, eosine, cosmine, coline, cosie, covine, rosine, copine, cozine

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|trigonometry}} In a [[right triangle]], the [[ratio]] of the [[length]] of the [[side]] [[adjacent]] to an [[acute]] [[angle]] to the length of the [[hypotenuse]]. Symbol: [[cos]]
2. {{lb|en|mathematics}} The ''x'' [[coordinate]] of the [[point]] on the [[unit]] [[circle]] at the given [[anticlockwise]] angle from the ''x'' [[axis]].
3. {{lb|en|mathematics}} The [[sum]] of the [[real]] or [[complex]] [[power series]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.