函数名: atan
功 能: 反正切函数
用 法: double atan(double x);
程序例:
#include <stdio.h>
#include <math.h>
int main(void)
{
double result;
double x = 0.5;
result = atan(x);
printf("The arc tangent of %lf is %lf
", x, result);
return(0);
}
函数名: atan
功 能: 反正切函数
用 法: double atan(double x);
程序例:
#include <stdio.h>
#include <math.h>
int main(void)
{
double result;
double x = 0.5;
result = atan(x);
printf("The arc tangent of %lf is %lf
", x, result);
return(0);
}