Definition

A mathematical function that relates to the complement of an angle, where the value of one function is equal to the value of another function for that angle's complement.

Example

In trigonometry, the sine function is the cofunction of cosine.

Conversation

Have you ever heard about the concept of cofunction in math?

Yeah, I think it relates to trigonometric functions, right?

Exactly! Like how the sine and cosine are cofunctions of each other.

It's pretty interesting how they complement each other like that.

Synonyms & Antonyms

Root Explanation

Cofunction → It is formed from "co-" (meaning together) and "function" (from Latin "functio", meaning performance or execution). The word "cofunction" refers to functions that work together or are related in some way.

Memory Tip

Think of functions that work "together" ('co-') to perform a task ('function').

Visually Confused Words