/*泰勒公式求sin(x)*/
#include <stdio.h>
int main() {
double x,s1,e,s=0;
int n=1;
e=0.000001; /*误差上限位六位小数*/
printf("求sin(x)\n请输入x（弧度）:");
scanf("%lf",&x);
s1=x;
do {
s+=s1; /*s1为中间变量*/
s1=-s1*x*x/(n+1)/(n+2);
n+=2;
} while (fabs(s1)>=e); /*fabs为对实数求绝对值的函数*/
printf("x=%lf\nsin(x)=%lf\n",x,s);
}
#include <stdio.h>
int main() {
double x,s1,e,s=0;
int n=1;
e=0.000001; /*误差上限位六位小数*/
printf("求sin(x)\n请输入x（弧度）:");
scanf("%lf",&x);
s1=x;
do {
s+=s1; /*s1为中间变量*/
s1=-s1*x*x/(n+1)/(n+2);
n+=2;
} while (fabs(s1)>=e); /*fabs为对实数求绝对值的函数*/
printf("x=%lf\nsin(x)=%lf\n",x,s);
}
运行结果
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