9. Show that the following functions are entire (see Definition 3.1). (a) S (2) = cosh z sin y-i sinh z cos y. (b) g(2) = cosh z cos y+i sinh z sin y. %3D

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9. Show that the following functions are entire (see Definition 3.1).
(a) f(2)=coshz sin y-i sinh z COs y.
(b) g(z) = coshz cos y+i sinh z sin y.
%3D
Transcribed Image Text:9. Show that the following functions are entire (see Definition 3.1). (a) f(2)=coshz sin y-i sinh z COs y. (b) g(z) = coshz cos y+i sinh z sin y. %3D
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