cofunction

[koh-fuhngk-shuh n]

noun Trigonometry.

the function of the complement of a given angle or arc: cosθ is the cofunction of sinθ.

Origin of cofunction

First recorded in 1905–10; co- + function
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


cofunction in Science

cofunction

[kōfŭngk′shən]

The trigonometric function of the complement of an angle. The tangent, for example, is the cofunction of the cotangent.
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