dos33fsprogs/ksp/c/ksp_atan.c
2016-06-01 13:17:57 -04:00

24 lines
423 B
C

#include <math.h>
#include <stdio.h>
#define PI 3.14159265358979323846264
int main(int argc, char **argv) {
double theta;
double x,y,a;
for(theta=0;theta<360;theta+=1.0) {
x=sin(theta*PI/180.0);
y=cos(theta*PI/180.0);
if (y<0) a=180.0+((atan(x/y))*180.0/PI);
else a=(atan(x/y))*180.0/PI;
printf("%lf x=%lf y=%lf atan(x/y)=%lf\n",
theta,x,y,a);
// printf("%lf %lf\n",x*600.0,y*600.0);
}
return 0;
}