c++ 求sinx的近似值 泰勒展开公式

#include

#include

using namespace std;

double mysin(double y)

{double sum=y,term=y;

for(int n=1;fabs(term)>=1e-6;n++)

{ term=-termyy/((2n)(2*n+1));

sum=sum+term;

}

return sum;

}

int main()

{ double x;

cout<<“输入x的值”<<endl;

cin>>x;

cout<<mysin(x)<<endl;}