#include <math.h>
int main(){
double sin(double x);
double cos(double x);
const double pi = acos(-1.0);
printf("sin=%f,cos=%f\n",sin(2*pi/180),cos(2*pi/180));
return 0;
}
c ++ sin \ cos function reference
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Origin blog.csdn.net/kikiwindsky/article/details/104658473
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