COS
Section: C Library Functions (3)
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NAME
cos
- cosine function
SYNOPSIS
Fd #include <math.h>
Ft double
Fn cos double x
Ft float
Fn cosf float x
DESCRIPTION
The
Fn cos
and
Fn cosf
functions compute the cosine of
Fa 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
Fn cos
function returns the cosine value.
SEE ALSO
sin(3),
tan(3),
asin(3),
acos(3),
atan(3),
atan2(3),
sinh(3),
cosh(3),
tanh(3),
math(3)
STANDARDS
The
Fn cos
function conforms to
St -ansiC .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- SEE ALSO
-
- STANDARDS
-
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