enter the input of ( sech 3x / 3 ) in calculator

Mar 2014
909
2
malaysia
how to calculate ( sech 3x / 3 ) , x= ln2 in my casio fx-570ms ?
 

romsek

MHF Helper
Nov 2013
6,744
3,037
California
$2 ~\ln \times~ 3 ~\text{hyp} ~\cos ~x^{-1} ~\div 3 ~=$
 
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