Tangent Calculator

 

Online trigonometric tangent calculator.

Tangent calculator

In order to calculate tan(x) on the calculator:

  1. Enter the input angle.
  2. Select angle type of degrees (°) or radians (rad) in the combo box.
  3. Press the = button to calculate the result.

 

tan
Result:

 

* Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12

Inverse tangent calculator

Enter the tangent value, select degrees (°) or radians (rad) and press the  =  button to get the angle result:

 

tan -1
Result:

 

Tangent table

x tan(x)
degrees radians
-90° -π/2 not defined
-60° -π/3 -1.732050808
-45° -π/4 -1
-30° -π/6 -0.577350269
0 0
30° π/6 0.577350269
45° π/4 1
60° π/3 1.732050808
90° π/2 not defined

 

See also

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