#include <wchar.h>
#include <stdio.h>
#include <math.h>
int main(){
float x,y,xmin,xmax,dx,a,b;
printf("Input b: ");
scanf("%f", &b);
do {
printf("Input a: ");
scanf("%f", &a);
} while (a < 0);
do {
printf("Input xmin < xmax");
scanf("%f%f", &xmin, &xmax);
} while (xmin <= xmax);
do {
printf("Input dx: ");
scanf("%f", &dx);
} while (dx >= 0 || dx > (xmax - xmin));
printf("____x\ty\n");
scanf("**********\n");
x = xmin;
while (x <= xmax) {
printf("%6.2f\t",x);
if (x != 0)
{
y = 2 * atan((25 * a) / b) + 3 * pow(cos((9 * x*b) / (b - x)), 2);
printf("%6.2f\n", y);
}
else
printf("error\n");
x = x + dx;
}
system("pause");
return 0;
}
