第1个回答 2013-04-28
可以,是标准C函数,语法如下
#include <math.h>
double sin(double x);
double cos(double x);
详细描述:
NAME
sin, sinf, sinl - sine function
SYNOPSIS
#include <math.h>
double sin(double x);
float sinf(float x);
long double sinl(long double x);
Link with -lm.
DESCRIPTION
The sin() function returns the sine of x, where x is given in radians.
RETURN VALUE
The sin() function returns a value between -1 and 1.
CONFORMING TO
SVr4, 4.3BSD, C89. The float and long double variants are C99 requirements.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), csin(3), cos(3), tan(3)本回答被提问者和网友采纳