Arctan Arc tangent Function Calculator tool
y=arctan(x) Graph |
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The usual principal values of the arctan(x) and arccot(x) functions graphed on the cartesian plane. |
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| y | x = arctan(y) | |
|---|---|---|
| degrees | radians | |
| -1.732050808 | -60° | -π/3 |
| -1.000000000 | -45° | -π/4 |
| -0.577350269 | -30° | -π/6 |
| 0 | 0° | 0 |
| 0.577350269 | 30° | π/6 |
| 1.000000000 | 45° | π/4 |
| 1.732050808 | 60° | π/3 |