#include <stdio.h>
#include <math.h>
int main()
{
double angle,sin_val,cos_val,tan_val;
printf("각도(라디안)입력: ");
scanf("%lf", &angle); //각도(라디안)입력 요청
// sin, cos, tan 값 계산
sin_val = sin(angle);
cos_val = cos(angle);
tan_val = tan(angle);
printf("sin(%.2lf) = %lf\n",angle, sin_val);
printf("cos(%.2lf) = %lf\n",angle, cos_val);
printf("tan(%.2lf) = %lf\n",angle, tan_val);
return 0;
}