include <stdio.h>#include <math.h>int main () {double SIN (double x, double eps);double SQRT (double x, double eps);double x, eps1=1.0e-3, eps2=1.0e-3;printf ("input x \n");scanf ("%lf", &x);printf ("SIN(%g)=%f \n", x, SIN(x,eps1));printf ("si...