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{math.tan.inverse.2(Float $y, Float $x)}This function calculates the arc tangent of the two variables x and y.
It is similar to calculating the arc tangent of y / x, except that the signs of both arguments are used to determine the quadrant of the result.
The function returns the result in radians, which is between -PI and PI (inclusive).
Returns the arc tangent of
y / xin radians.
https://www.php.net/manual/en/function.atan2.php
Last modified: 2021-06-07
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