Lista exercicios algoritmo, programaçao

// 11.2

#include <iostream>

#include <cmath>

#include <cstdlib>

#include <iomanip>

using namespace std;

double AWC(int n){

int i, c = 1.0;

double s = 0.0;

for(i = 1.0; i <= n; i++){

s = s + i/(2.0*i-1.0)*c;

c = -c;

}

return s;

}

int main(int argc, char** argv){

int n;

double s;

cout << "Digite o numero de parcelas: "; cin >> n;

s = AWC(n);

cout << "Soma = " << s << endl;

system("pause");

return 0;

}

// 11.5

#include <iostream>

#include <iomanip>

#include <cmath>

#include <cstdlib>

using namespace std;

double AWC(int n){

int i, c = 1.0; double s = 0.0;

for(i = 1.0; i <= n; i++){

s = s + 4/(2.0*i - 1.0)*c;

c = -c;

}

return s;

}

int main(int argc, char** argv) {

int n; double s;

cout << "Digite o numero de parcelas: "; cin >> n;

s = AWC(n);

cout << "A soma eh = " << s << endl;

system("pause");

return 0;

}

// 11.6

#include <iostream>

#include <cmath>

#include <cstdlib>

#include <iomanip>

using namespace std;

double AWC(int n){

int i, c = 1.0;

double p, S = 0.0;

for(i = 1.0; i <= n; i++){

S = S + 1/pow(2.0*i-1.0, 3.0)*c;

c = -c;

}

p=pow(S*32.0, (1.0/3.0));

return p;

}

int main(int argc, char** argv){

int n;

double p;

cout << "Digite o numero de parcelas: "; cin >> n;

p = AWC(n);

cout << "Soma = " << p << endl;

system("pause");

return 0;

}

// 11.11

#include <iostream>

#include <iomanip>

#include <cmath>

#include <cstdlib>

using namespace std;

double rad(double x){

return x*M_PI/180.0;

}

long double fat(int x){

int j;

long double f = 1.0;

for(j = 1.0; j <= x; j++)

f = f*j;

return f;

}

double cosseno(double x, int n){

int i, c = -1.0;

double s = 1.0;

x = rad(x);

for(i = 0.0; i <= n-1.0; i++){

s = s + pow(x, (2.0*i))/fat(2.0*i)*c;

c = -c;

}

return s;

}

int main(int argc, char** argv) {

int n; double s, x;

cout << "Digite o valor do angulo em graus: "; cin >> x;

cout << "Digite o numero de parcelas: "; cin >> n;

s = cosseno(x, n);

cout << "Cos(" << x << "): " << s << endl;

system("pause");