Enter the angle of the unit circle into the calculator. The calculator will display the corresponding sine, cosine, and tangent values of the unit circle associated with those values.

## Unit Circle Formula

The following formula is used to calculate the values of a unit circle.

Sin (X) = X

Cosine (X) = Z

Tangent (X) = W

Where x is the angle and y, x and w are the values of the unit circle.

How to calculate a unit circle

**First, measure the angle of the unit circle.**This is the angle measure from the positive x axis.

**Calculate the value of sine (X)**This value will be equal to the Y portion of the triangle encapsulated.

**Calculate the value of cosine (X)**This will be equal to the x portion of the triangle.

**Calculate the value of tangent of (X)**This is equal to the value of the hypotenuse.

## FAQ

**What is a unit circle?**

A unit circle is a circle with a radius of 1. It’s also closely related to a unit vector which is a vector with a magnitude of 1, however, it is no the same.

**How can a unit circle be used?**

A unit circle is used in order to simply a problem down to a smaller scale, of 1 to be exact. In other words it’s a reducing a large circle value to one with a radius of 1.

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