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cosine

/'k/oU/s/aI/n/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

  1. ratio of the adjacent side to the hypotenuse of a right-angled triangle

    noun.linkdef

    Source: WordNet 3.0

  2. The sine of the complement of an arc or angle. See <i>Illust.</i> of <u>Functions</u>.

    noun

    Source: webster1913

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