练习8

    xiaoxiao2021-03-25  83

    #include <iostream> #include <cmath> using namespace std; const double TINY_VALUE=1e-5; double tsin (double x){     double g=0;     double t=x;     int n=1;     do{         g+=t;         n++;         t=-t*x/(2*n-1)/(2*n-2);     }while(fabs(t)>=TINY_VALUE);     return g; } int main(){     double m,s;     cout<<"Please input a real number:";     cin>>m;     s=1-tsin(m);     cout<<s<<endl;     return 0; }
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