/koh"fungk'sheuhn/, n. Trigonom.
the function of the complement of a given angle or arc: cos(t) is the cofunction of sin(t).
[1905-10; CO- + FUNCTION]

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Universalium. 2010.

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  • cofunction — noun Date: 1909 a trigonometric function whose value for the complement of an angle is equal to the value of a given trigonometric function of the angle itself < the sine is the cofunction of the cosine > …   New Collegiate Dictionary

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  • cofunction — co·function …   English syllables

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