## arctangent (3.73)

The degree measure of an angle is known as its arctangent. This measure can be derived in many ways. For instance, one can use it to find the tangent of an angle that is 3.73 degrees. Similarly, the degree measure of an angle can be derived by using its inverse, tan(x,y).

## inverse-tangent key

The inverse-tangent key is a useful tool to find an angle’s tangent value in a hurry. It features a convenient graph and a table of commonly used values. All you need to do is input the value of interest and the calculator will return an answer in seconds. This tool is included in the law of cosines and sines calculator.

## Decimal approximation

The tangent of an angle is equal to three-sevenths of one radian. The inverse tangent key can be used to find the measure of the angle. In this way, you can find the tangent of any angle.

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