Show that neither nor is an analytic function of z anywhere. Is it sufficient to say that neither function is analytic because neither can be put into the form and therefore they can't possibly satisfy the Cauchy-Riemann equations anywhere?
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I've not seen that identiy for sin(z) before, but I ended up deriving it in the meantime. Is there a list of similar identities somewhere?
Originally Posted by davesface I've not seen that identiy for sin(z) before. Is there a list of similar identities somewhere? Any cpmplex variables textbook should have such a list.
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