C++ Programming/Code/Standard C Library/Functions/atan2

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atan2[edit]
Syntax
#include <cmath>
double atan2( double y, double x );

The atan2() function computes the arc tangent of y/x, using the signs of the arguments to compute the quadrant of the return value.

Related topics
acos - asin - atan - cos - cosh - sin - sinh - tan - tanh