Difference between revisions of "Manuals/calci/SECH"
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| + | ==Related Videos== | ||
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| + | {{#ev:youtube|EmJKuQBEdlc|280|center|Hyperbolic SEC}} | ||
==See Also== | ==See Also== | ||
Revision as of 14:55, 21 May 2015
SECH(z)
- where z is any real number
Description
- This function gives the hyperbolic Secant of 'z',
- It is also called as Circular function.
- SECH is the reciprocal of COSH function.
- SECH(z)= i.e, or SEC(iz). where 'i' is the imaginary unit and
- Also relation between Hyperbolic & Trigonometric function is &
- SECH(-z) = SECH(z)
i.e, 
or SEC(iz). where 'i' is the imaginary unit and 
& 
Examples
SECH(z)
- z is any real number.
| SECH(z) | Value |
| SECH(0) | 1 |
| SECH(10) | 0.00009079985933781728 |
| SECH(7) | 0.001823762414 |