Ejemplo010.c

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#include <stdio.h>
 
int main(int argc, char *argv[])
{
    int i, n, s;
    float x, sx, fct;
    do{
        printf("Ingrese el numero de terminos: ");
        scanf("%d", &n);
    }while(n<1);
    printf("Ingrese el valor de x: ");
    scanf("%f", &x);
    for(i=0, fct=x, sx=0; i<n; i++)
    {
        s = 1-2*(i%2);
        sx += (s*fct);
        fct *= (x/(2*i+2))*(x/(2*i+3));
    }
    printf("sin(%f) = %f\n", x, sx);
    return 0;
}