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//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <conio.h>
#include <stdio.h>
#include <math.h>
#pragma hdrstop
 
//---------------------------------------------------------------------------
 
#pragma argsused
int main(int argc, char* argv[])
{
 
 
 
//************* text ****************
float x;
double l;
double r;
//while(true)
{
clrscr ();
printf("\Laboratory work # 2 ");
printf("\nHave executed: Peretiatiko Anastasia");
printf("\nGroup # 0584 \n");
printf("\nTask: solve equalization \n\n");
printf("\nThe task: to solve identity:");
//************ variables ************
 
 
float x,n,l,r,e,fuck,i;
 
printf("please, input x: ");
scanf("%f", &x);
printf("your input %f\n", x);
printf("the equalization is cos(x)\n");
l=(cos(x));
 
if (fabs(x) > 1)
{
if( (fabs(l - r)) < e)
{
r=r+(pow(-1,n))*(pow(x,2*n));
printf("n=%f, r_part=%f, l_part=%f \n",n,r,l);
}
}
//break;
n=0;
r=1;
 
 
while(n<=6) {
n=n+1;
fuck=1;
for(i=1; i<=n; i=i+1) fuck=fuck*i;
printf("factorial %f: %f\n",n,fuck);
l=(cos(x));
r=r+(pow(-1,n))*(pow(x,2*n));
printf("n=%f, r_part=%f, l_part=%f \n",n,r,l);
}
 
printf("|%f| !> ", x);
printf("\nDoes not approach on a condition");
 
printf("\n\nSolve another identity? (Y/N)");
}
/*
int key = ;
if(key != 'Y' && key != 'y') break; }
 */
getch();
return 0;
}
//---------------------------------------------------------------------------