# cofunction

## EnglishEdit

### NounEdit

**cofunction** (*plural* **cofunctions**)

- (mathematics) The trigonometric function of the complement of the supplied angle (thus cosine and sine are each other's cofunctions)

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**cofunction** (*plural* **cofunctions**)

- (mathematics) The trigonometric function of the complement of the supplied angle (thus cosine and sine are each other's cofunctions)

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