Query: cos
OS: freebsd
Section: 3
Links: freebsd man pages all man pages
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COS(3) BSD Library Functions Manual COS(3)NAMEcos, cosf, cosl -- cosine functionsLIBRARYMath Library (libm, -lm)SYNOPSIS#include <math.h> double cos(double x); float cosf(float x); long double cosl(long double x);DESCRIPTIONThe 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 VALUESThe cos(), cosf(), and cosl() functions return the cosine value.SEE ALSOacos(3), asin(3), atan(3), atan2(3), ccos(3), cosh(3), math(3), sin(3), sinh(3), tan(3), tanh(3)STANDARDSThese functions conform to ISO/IEC 9899:1999 (``ISO C99'').BSDJanuary 24, 2008 BSD
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