//希望我的回答对你的学习有帮助
#include<math.h>
#include<stdio.h>
int main(){
int n=1,count=1;
float x;
double sum ,term;
printf("input x:");
scanf("%f",&x);
sum=x;
term=x;
do{
term=-term*x*x/((n+1)*(n+2));
sum=sum+term;
n=n+2;
count++;
}while (fabs(term)>=1e-5);//这里可以改精度,我给你的是10的-5次方的精度
printf("sin(x)=%g,count=%d\n",sum,count);
return 0;
}
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