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Diffstat (limited to 'man3/cosh.3')
| -rw-r--r-- | man3/cosh.3 | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/man3/cosh.3 b/man3/cosh.3 index af56f0dc35..9bc6a3859f 100644 --- a/man3/cosh.3 +++ b/man3/cosh.3 @@ -29,7 +29,7 @@ .\" Modified 2002-07-27 by Walter Harms .\" (walter.harms@informatik.uni-oldenburg.de) .\" -.TH COSH 3 2002-07-27 "" "Linux Programmer's Manual" +.TH COSH 3 2007-12-26 "" "Linux Programmer's Manual" .SH NAME cosh, coshf, coshl \- hyperbolic cosine function .SH SYNOPSIS @@ -48,7 +48,11 @@ Link with \fI\-lm\fP. The .BR cosh () function returns the hyperbolic cosine of \fIx\fP, which -is defined mathematically as (exp(x) + exp(\-x)) / 2. +is defined mathematically as: +.nf + + cosh(x) = (exp(x) + exp(\-x)) / 2 +.nf .SH "CONFORMING TO" SVr4, POSIX, 4.3BSD, C99. The |