(C언어) cos, cols: 코사인 계산

#cos #cos

 

#include <math.h> double cos(double x); long double cosl(long double x;

코사인을 계산합니다.

실수의 코사인 값은 범위가 -1에서 1 사이인 값을 반환합니다.

 

#include <stdio.h>
#include <math.h>
int main()
{
	double x;
	for(x=-1; x<=1; x+=0.1)
		printf("%f\t%f\n", x, cos(x));

	return 0;
}

-1.000000       0.540302 -0.900000       0.621610 -0.800000       0.696707 -0.700000       0.764842 -0.600000       0.825336 -0.500000       0.877583 -0.400000       0.921061 -0.300000       0.955336 -0.200000       0.980067 -0.100000       0.995004 -0.000000       1.000000 0.100000        0.995004 0.200000        0.980067 0.300000        0.955336 0.400000        0.921061 0.500000        0.877583 0.600000        0.825336 0.700000        0.764842 0.800000        0.696707 0.900000        0.621610 1.000000        0.540302