$$$\operatorname{acot}{\left(1 \right)}$$$
The calculator will find the inverse cotangent of $$$1$$$ in degrees and radians.
Related calculator: Inverse Cotangent Calculator
Answer
$$$\operatorname{acot}{\left(1 \right)} = \frac{\pi}{4}\approx 0.785398163397448$$$A
$$$\operatorname{acot}{\left(1 \right)} = 45^{\circ}$$$A
For graph, see the graphing calculator.