Man page - ccos(3)

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Manual

ccos

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
ATTRIBUTES
STANDARDS
HISTORY
SEE ALSO

NAME

ccos, ccosf, ccosl - complex cosine function

LIBRARY

Math library ( libm , -lm )

SYNOPSIS

#include <complex.h>

double complex ccos(double complex z );
float complex ccosf(float complex
z );
long double complex ccosl(long double complex
z );

DESCRIPTION

These functions calculate the complex cosine of z .

The complex cosine function is defined as:

ccos(z) = (exp(i * z) + exp(-i * z)) / 2

ATTRIBUTES

For an explanation of the terms used in this section, see attributes (7).

Image grohtml-123680-1.png

STANDARDS

C11, POSIX.1-2008.

HISTORY

glibc 2.1. C99, POSIX.1-2001.

SEE ALSO

cabs (3), cacos (3), csin (3), ctan (3), complex (7)