# Definition of Periodic Function

A periodic function is a function that repeats itself over and over again.

The trigonometric functions are all periodic functions. Some examples of periodic functions are $y = \sin (x)$, $y= \cos (x)$, and $y = \tan (x)$.

The function graphed below is periodic.

### Description

The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.

### Audience

Year 1 to Year 12 students

### Learning Objectives

Learn common math terms starting with letter P

Author: Subject Coach
You must be logged in as Student to ask a Question.