Вызов команды MAN cos
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COS(3) FreeBSD Library Functions Manual COS(3)
NAME
cos, cosf -- cosine functions
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
cos(double x);
float
cosf(float x);
DESCRIPTION
The cos() and the cosf() functions compute the cosine of x (measured in
radians). A large magnitude argument may yield a result with little or
no significance. For a discussion of error due to roundoff, see math(3).
RETURN VALUES
The cos() and the cosf() functions return the cosine value.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cosh(3), math(3), sin(3), sinh(3),
tan(3), tanh(3)
STANDARDS
The cos() function conforms to ISO/IEC 9899:1990 (``ISO C89'').
FreeBSD 4.9 May 2, 1991 FreeBSD 4.9
Федотов А.М.
Введение в Internet