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cos(3) -- Linux man page

 

NAME

cos, cosf, cosl - cosine function  

SYNOPSIS

#include <math.h>

double cos(double x);

float cosf(float x);

long double cosl(long double x);
 

DESCRIPTION

The cos() function returns the cosine of x, where x is given in radians.  

RETURN VALUE

The cos() function returns a value between -1 and 1.  

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.  

SEE ALSO

acos(3), asin(3), atan(3), atan2(3), sin(3), tan(3)


 
LINUX MAN PAGES
Man1 -- User Commands (Intro)
Man2 -- System Calls (Intro)
Man3 -- Library Functions (Intro)
Man4 -- Special Files (Intro)
Man5 -- File Formats (Intro)
Man6 -- Games (Intro)
Man7 -- Miscellaneous (Intro)
Man8 -- Administration (Intro)
Mann -- TCL Functions (not available)


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