# The Unit Circle

by
**emomany**

Last updated 6 years ago

** Discipline: **

Math ** Subject: **

Pre-Calculus
** Grade:**

10

The side names relative to the angle

By memorizing the unit circle, you take the first step to mastering Trigonometry!

The Unit Circle

Standards: Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle

How to remember your angles

The unit circle is the circle of radius one centered at the origin (0, 0) on a graph and provides the angle bases for trigonometry

These special right triangles give you the value of Sine, Cosine, or Tangent for the special angles.

Erin Momany

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