include stdio include stdlib include math int main int argc char argv

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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main(int argc, char *argv[])
{
double x, y, z, a,b,c,d,e,f,s;
printf("x=");
scanf("%lf=", &x);
printf("y=");
scanf("%lf=", &y);
printf("z=");
scanf("%lf=", &z);
a=abs(x);
printf("%lf\n",a);
b=cos(y);
printf("%lf\n",b);
c=sin(z);
printf("%lf\n",c);
d=sqrt(exp(x*y));
printf("%lf\n",d);
e=abs(tan(z));
printf("%lf\n",e);
f=log10(e);
printf("%lf\n",e);
system("PAUSE");
return 0;
}