Problem Z: 零起点学算法22——求正弦和余弦

Posted 2021-01-10 chenlong991223

#include<stdio.h>
#include <math.h>
int main()
{
    int n;
    const double pi=acos(-1); 
    double a,b;
    while(scanf("%d",&n)!=EOF)
    a=sin(n*pi/180);
    b=cos(n*pi/180);
    printf("%.2f
%.2f
",a,b);
    return 0;
}