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Hyperbolic Functions
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Sech
Sech
[
z
]
gives the hyperbolic secant of
z
.
MORE INFORMATION
Mathematical function, suitable for both symbolic and numerical manipulation.
.
1/
Cosh
[
z
]
is automatically converted to
Sech
[
z
]
.
TrigFactorList
[
expr
]
does decomposition.
For certain special arguments,
Sech
automatically evaluates to exact values.
Sech
can be evaluated to arbitrary numerical precision.
Sech
automatically threads over lists.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
Evaluate numerically:
In[1]:=
Out[1]=
In[1]:=
Out[1]=
In[1]:=
Out[1]=
Scope
(11)
Generalizations & Extensions
(3)
Applications
(5)
Properties & Relations
(13)
Possible Issues
(5)
SEE ALSO
Cosh
ArcSech
Csch
TrigToExp
TrigExpand
TUTORIALS
Elementary Transcendental Functions
RELATED LINKS
MathWorld
The Wolfram Functions Site
NKS|Online
(
A New Kind of Science
)
MORE ABOUT
Hyperbolic Functions
New in 1 | Last modified in 3
© 2008 Wolfram Research, Inc.
.
EXAMPLES
Basic Examples 
Scope 