https://www.mathworks.com/help/matlab/ref/double.atand.html
atand - Inverse tangent in degrees - MATLAB
This MATLAB function returns the inverse tangent (tan-1) of the elements of X in degrees.
inverse tangentdegreesmatlab
https://www.desmos.com/calculator/llxllhk4ub
Inverse Tangent | Desmos
Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and...
inverse tangentdesmos
https://www.wolframalpha.com/input/?i=inverse+tangent+integral
inverse tangent integral - Wolfram|Alpha
inverse tangent integralwolframalpha
https://www.mathworks.com/help/fixedpoint/ref/atan2.html
atan2 - Four-quadrant inverse tangent of fixed-point values - MATLAB
This MATLAB function returns the four-quadrant arctangent of fi inputs y and x.
inverse tangentfixed pointatan2fourquadrant
https://www.home-assistant.io/template-functions/atan/
Arc tangent (inverse tangent): atan - Home Assistant
Returns the arc tangent (inverse tangent) of a value, in radians.
arc tangentinverseatanassistant