Arctan Calculator

The inverse of a tangent function is arctan or inverse tan or atan. i.e., tan-1 = arctan. The value of tangent function varies from -∞ to +∞. Enter the value into the calculator, the atan of the entered value will be displayed in either degrees or radians.

Inverse Tangent Calculator

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Formula:

t = tan-1(x) Where, t = Inverse Tangent x = Value

Example

Inverse Tangent

Let us consider the value of x as 23
Solution :
Atan(23) = tan-1(23)
The value of Atan(23) is 87.5104 degrees
The value of Atan(23) is 1.5273 radians

Note:
1 ° = 0.0174532925 radians

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