noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The trigonometric function of the complement of the supplied angle.

   "Cosine and sine are each other's cofunctions."

2. 2
   A costatement that takes the form of a function and can accept parameters and return a value.

Example

More examples

"Cosine and sine are each other's cofunctions."

Etymology

From co- + function.

Related phrases

trigonometric cofunctiontrigonometric function

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.