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COSH(3) BSD Library Functions Manual COSH(3) NAME cosh -- hyperbolic cosine function SYNOPSIS #include <math.h> double cosh(double x); long double coshl(long double x); float coshf(float x); DESCRIPTION The coshf() function computes the hyperbolic cosine of x. SPECIAL VALUES cosh(+-0) returns 1. cosh(+-infinity) returns +infinity. SEE ALSO acos(3), asin(3), atan(3), atan2(3), cos(3), sin(3), sinh(3), tan(3), tanh(3), math(3) STANDARDS The cosh() function conforms to ISO/IEC 9899:1999(E). BSD November 20, 2002 BSD |