cofunction


co·func·tion

noun \ˈkō-ˌfəŋ(k)-shən\

Definition of COFUNCTION

:  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>

First Known Use of COFUNCTION

1909

Rhymes with COFUNCTION

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