## What is the “Unit Circle Worksheet (PDF + Answer Key)”?

The “Unit Circle Worksheet (PDF + Answer Key)” is a practice worksheet for remembering the different equivalent ordered pairs in a unit circle.

## What is a unit circle?

A unit circle is a circle of unit radius, i.e., of radius 1. The unit circle plays a significant role in a number of different areas of mathematics. For example, the functions of trigonometry are most simply defined using the unit circle.

## How can the “Unit Circle Worksheet (PDF + Answer Key)” help you?

The “Unit Circle Worksheet (PDF + Answer Key)” can help you remember the different ordered pairs for each angle in the circle. This could actually be used in solving complex problems related to a circle. By using this worksheet, you would be able to know how far you have learned about the unit circle.

## Instructions on how to use the “Unit Circle Worksheet (PDF + Answer Key)”

To use the “ Unit Circle Worksheet (PDF + Answer Key)”, fill in the blanks to complete the unit circle. An answer key is provided for you to check your answers.

## Conclusion

The unit circle, in its simplest form, is actually exactly what it sounds like: A circle on the Cartesian Plane with a radius of exactly 1 unit.