Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of cosine is as below...

Antilogarithm :: Antilogarithm (n.) The number corresponding to a logarithm. The word has been sometimes, though rarely, used to denote the complement of a given logarithm; also the logarithmic cosine corresponding to a given logarithmic sine..

Natural :: Natural (a.) Belonging to, to be taken in, or referred to, some system, in which the base is 1; -- said or certain functions or numbers; as, natural numbers, those commencing at 1; natural sines, cosines, etc., those taken in arcs whose radii are 1..

Mesologarithm :: Mesologarithm (n.) A logarithm of the cosine or cotangent.

Glycosine :: Glycosine (n.) An organic base, C6H6N4, produced artificially as a white, crystalline powder, by the action of ammonia on glyoxal..

Cosine :: Cosine (n.) The sine of the complement of an arc or angle. See Illust. of Functions.

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