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Man Pages


Manual Reference Pages  -  COSF (3)

NAME

cos, cosf, cosl - 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 long double cosl long double x

DESCRIPTION

The cos, cosf, and cosl 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, cosf, and cosl functions return the cosine value.

SEE ALSO

acos(3), asin(3), atan(3), atan2(3), ccos(3), cosh(3), math(3), sin(3), sinh(3), tan(3), tanh(3)

STANDARDS

These functions conform to -isoC-99.
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