Online trigonometric tangent calculator.
Tangent calculator
In order to calculate tan(x) on the calculator:
- Enter the input angle.
- Select angle type of degrees (°) or radians (rad) in the combo box.
- Press the = button to calculate the 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:
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 | 0 |
| 30° | π/6 | 0.577350269 |
| 45° | π/4 | 1 |
| 60° | π/3 | 1.732050808 |
| 90° | π/2 | not defined |
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