#include <iostream>
#include <cmath>
#include <math.h>
using namespace std;
void task41() {
cout << "Задание№41\n";
int a;
int b;
int c;
int d;
double z1;
double z2;
double Z;
cin >> a;
cin >> b;
cin >> c;
cin >> d;
if(a==0 || d==0) {
cout << "Нет решений" << endl;
}
else
z1=(a*d+b*c);
z2=a*d;
Z=z1/z2;
cout << "Ответ: " << Z << endl;
}
void task20(){
cout << "\nЗадание№20\n";
int x;
int y;
double z1;
double z2;
double Z;
cin >> x;
cin >> y;
if (cos(12*y-4) == 0){
cout << "Решений нет" << endl;
}
else
z1=1+sin(sqrt(x+1));
z2=cos(12*y-4);
Z=z1/z2;
cout << "Ответ: " << Z << endl;
}
void task45(){
cout << "\nЗадание№45\n";
int x;
double Z;
cin >> x;
Z=abs(1 - abs(x));
cout << "Ответ: " << Z << endl;
}
void task24(){
cout << "\nЗадание№24\n";
int x;
double Z;
cin >> x;
Z=x-10*sin(x)+abs(pow(x,4)-pow(x,5));
cout << "Ответ: " << Z << endl;
}
void task3(){
cout << "\nЗадание№3\n";
int x;
int y;
double z1;
double z2;
double z3;
double Z;
cin >> x;
cin >> y;
if(cos(x)-sin(y)==0 || cos(x)==sin(y) ) {
cout << "Нет решений" << endl;
}
else
z1=sin(y)+sin(x);
z2=cos(x)-sin(y);
z3=z1/z2;
Z=z3*(sin(x*y)/cos(x*y));
cout << "Ответ: " << Z << endl;
}
int main() {
setlocale(LC_ALL, "Russian");
task41();
task20();
task45();
task24();
task3();
}
