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COS (3) | C library functions | Unix Manual Pages | :man

NAME

cos, cosf - cosine functions

CONTENTS

Library
Synopsis
Description
Return Values
See Also
Standards

LIBRARY


.Lb libm

SYNOPSIS


.In 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


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