S
Svyatoslav
#include<iostream>
#include<conio.h>
#include<math.h>
using namespace std;
int main ()
{
cout<<2sin a<<endl;
cout<<"L="<<2sin a<<endl;
float a=4;
getch ();
return 0;
}
#include<conio.h>
#include<math.h>
using namespace std;
int main ()
{
cout<<2sin a<<endl;
cout<<"L="<<2sin a<<endl;
float a=4;
getch ();
return 0;
}