$$$\operatorname{acot}{\left(-2 \right)}$$$
The calculator will find the inverse cotangent of $$$-2$$$ in degrees and radians.
Related calculator: Inverse Cotangent Calculator
Answer
$$$\operatorname{acot}{\left(-2 \right)} = - \operatorname{acot}{\left(2 \right)}\approx -0.463647609000806$$$A
$$$\operatorname{acot}{\left(-2 \right)} = -\left(\frac{180 \operatorname{acot}{\left(2 \right)}}{\pi}\right)^{\circ}\approx -26.565051177077989^{\circ}$$$A
For graph, see the graphing calculator.