Trigonometry
Arctangent
Inverse tangent, result in degrees.
Formula
Formula
θ = atan(x)
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| x | any real number | real number (ℝ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenx = 1
Result45
Example 2
Givenx = 0
Result0