# How do you find the value for arctan(0)?

The value for $\arctan \left(0\right)$ is 0º or $0$ radians.
Arctangent is the inverse function for tangent. Since $\tan \left(0\right) =$ tan(0º) $= 0$, the arctangent (inverse tangent) of $0$ is 0º or $0$ radians.