IN-NOARG(2) - System Calls Manual

# NAME

**In-noarg** - include file macros without argument

# SYNOPSIS

**#include <math.h>**

*double*  
**sin**(*double x*);

*double*  
**cos**(*double x*);

# DESCRIPTION

<*math.h:*>
*double*
**sin**(*double x*)
*double*
**cos**(*double x*)

OpenBSD - July 4, 2017