# Unit Circle Diagram

**Unit Circle Diagram**. The diagram below illustrates what we call a. A unit circle diagram is a platform used to explain trigonometry.

The diagram above is a helpful unit circle chart to look at, since it includes all major angles in both degrees and radians, in addition to their corresponding coordinate points along the x- and y-axes. It describes all the negatives and positive angles. You now have a handy guide to help you see the relationships between angles.

### Below notice where the x, and y components are located.

But it can, at least, be enjoyable.

Keeping this diagram in mind will help you remember where cosine, sine and tangent are positive and negative. Of course, there are lots more things the unit circle is used for, but we will get into them later. With regard to quadrantal angles, the unit circle illustrates the following: If a function exists at a quadrantal.

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