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## Main Question or Discussion Point

I am reading through a worked example of the Taylor series expansion of Sinh(z) about z=j*Pi

The example states: sinh(j*Pi)=cos(Pi)*Sinh(0) +jcosh(x)sin(y)

I am unsure of this relation. I understand why the x terms are zero but don't know the relation to expand sinh. Can anyone shed some light on this for me?

Cheers.

The example states: sinh(j*Pi)=cos(Pi)*Sinh(0) +jcosh(x)sin(y)

I am unsure of this relation. I understand why the x terms are zero but don't know the relation to expand sinh. Can anyone shed some light on this for me?

Cheers.