#include <iostream>
#include <math.h>

using namespace std;

int main()
{
double seno, m, f;
int n;
int N;
double x;
double valor1 = 1;
double valor2 = 1;
double valor3 = 1;
N = 100;
n = 1;
m = 1;
f = 1;

//si n es impar 
n%2 = 1
1*2 = 2
1-2= -1

//si n es par
n%2 = 0
0*2=0
1-0=1

cout<< "dame el valor de x \n";
cin>> x;
while (N>=n)
{
	valor1 = 1-(2*n%2);
	valor2 = ((2*n%)+1);
while (m <= valor2) {
f = f*m;
m = m+1;
}
n++;
seno = (valor1/f) * x * exp(valor2 + seno + 1);
}
cout<< seno << " comparado con " << sin(x) << endl;
system("pause");

return 0;
}

pow (-1, n);

d#include <iostream>
#include <math.h>

using namespace std;

int main()
{
double seno, m, f;
int n;
int N;
double x;
double valor1 = 0;
double valor2 = 0;
double valor3 = 0;
N = 100;
n = 1;
m = 1;
f = 1;
cout<< "dame el valor de x \n";
cin>> x;
while (N>=n)
{
	valor1 = (-1) ^n;
	valor2 = (2*n+1);
while (m <= valor2) {
f = f*m;
m = m+1;
}
n++;
seno = (valor1/f) * x * exp(valor2 + seno);
}
cout<< seno << " comparado con " << sin(x) << endl;

return 0;
}