ARC TANGENT 2 (아크 탄젠트 2)
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#include <stdio.h>
#include <math.h>
#define PI 3.14159265
int main ()
{
double x, y, result;
x = -10.0;
y = 10.0;
result = atan2 (y,x) * 180 / PI;
printf ("The arc tangent for (x=%lf, y=%lf) is %lf degrees\n", x, y, result );
return 0;
}
http://www.cplusplus.com/reference/clibrary/cmath/atan2/
#include <math.h>
#define PI 3.14159265
int main ()
{
double x, y, result;
x = -10.0;
y = 10.0;
result = atan2 (y,x) * 180 / PI;
printf ("The arc tangent for (x=%lf, y=%lf) is %lf degrees\n", x, y, result );
return 0;
}
http://www.cplusplus.com/reference/clibrary/cmath/atan2/
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