#include int main(){ int i; double x,r = 0, item = 0; scanf("%lf",&x); for(i = 1, item = x; i <= 10; i ++) { if(i != 1) item = item * x * x * -1 / (2*i-1)/(2*i-2); r += item; } printf("sin(x)=%.2lf\n", r);}
