#include<stdio.h>
#include<math.h>
double f(double i)
{
double j;
j=i-cos(i);
return j;
}
double df(double p)
{
double q;
q=1+sin(p);
return q;
}
int main()
{
double x0=0.5 , xn , d=0.0001 ;
for(xn=x0-(f(x0)/df(x0));(xn-x0)>d || (xn-x0)<-d ; x0=xn)...