How do you calculate $sinh^2(.55)$ ?

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Answer 1 · 2016-10-11T16:36:40

$sinh^2(0.55)=0.33426$

As $sinhx=(e^x-e^(-x))/2$ ,

$sinh(0.55)=(e^0.55-e^(-0.55))/2$

= $(1.733253-0.57695)/2$

= $1.156303/2$

and $sinh^2(0.55)=(1.156303/2)^2$

= $0.5781515^2=0.33426$

How do you calculate sinh^2(.55)sinh^2(.55)?