cos man page on OpenDarwin

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COS(3)			 BSD Library Functions Manual			COS(3)

NAME
     cos — cosine function

SYNOPSIS
     #include <math.h>

     double
     cos(double x);

DESCRIPTION
     The cos() function computes the cosine of x (measured in radians).

SPECIAL VALUES
     cos(�0) returns 1.

     cos(�infinity) returns a NaN and raises the "invalid" floating-point
     exception.

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

STANDARDS
     The cos() function conforms to ISO/IEC 9899:1999(E).

BSD			       November 20, 2002			   BSD
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