cofunction

American  

[koh-fuhngk-shuhn] / ˈkoʊˌfʌŋk ʃən /

noun

Trigonometry.

1. the function of the complement of a given angle or arc.

   cosθ is the cofunction of sinθ.

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cofunction Scientific  

/ kō′fŭngk′shən /

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

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Etymology

Origin of cofunction

First recorded in 1905–10; co- + function

Example Sentences

At a time when Florida is banning the acknowledgment of gender fluidity or any identity outside male and female, this subversive textbook unabashedly tells suggestible children that such things exist as “reciprocal identities,” “cofunction identities,” “additive identity property” and even “multiplicative identity property.”

From Washington Post

Related Words

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