Математические функции

//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <iostream.h>
#include <conio.h>
#include <math.h>
#pragma hdrstop
 
//---------------------------------------------------------------------------
 
#pragma argsused
int main(int argc, char* argv[])
{
int x,y,f ;
cout << "Vvedite X" << endl ;
cin >> x ;
cout << "Vvedite Y" << endl ;
cin >> y ;
f=pow(((x+1)/(x-1)),x)+18*x*pow(y,2) ;
cout << "Otvet = " << f ;
getch() ;
        return 0;
}

//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <iostream.h>
#include <conio.h>
#include <math.h>
#pragma hdrstop
 
//---------------------------------------------------------------------------
 
#pragma argsused
int main(int argc, char* argv[])
{
double a,aa,aa1,aa2,aa3 ;
double f ;
cout << "Vvedite A" << endl ;
cin >> a ;
aa=sqrt(a) ;
aa1=aa-1 ;
aa2=a+aa+1 ;
aa3=a*aa-1 ;
f=sqrt((aa1/aa2)*(aa3)) + aa ;
cout << "Otvet = " << f ;
getch() ;
        return 0;
}
//---------------------------------------------------------------------------

#include <iostream>
#include <cmath>
 
int main()
{
    double sum = 0, b = 0;
    const double h = 0.8, m = 3;
    while(b < m)
    {
        sum += b / (1 + sin(b));
        b += h;
    }
    std::cout<<"sum = "<<sum;
    return 0;
}

#include <iostream>
#include <cmath>
 
int main()
{
    double mult = 0, a = 1.1;
    const double h = 0.3, m = 2;
    do
    {
        mult *= 2 * (-a + 0.4) / (1 - cos(2 * a));
        a += h;
    } while( a < m);
    std::cout<<"mult = "<<mult;
    return 0;
}