...求cos x 的近似值,精确到最后一项的绝对值小于e。答:include<stdio.h> include<math.h> double funcos(double x,double e);int main(void){ double n,x,e;scanf("e: %lf%*c",&e);scanf("x: %lf%*c",&x);n=funcos(x,e);printf("cos(x)=%.3lf",n);return 0;} double funcos(double x,double e){ int i,k,flag=1;double...