# Answer to Question #1909 in Complex Analysis for SAVVAS SAVVAN

Question #1909

Why sinh (z+1+i)/3 does not have an inverse function.Please note that z refers to the complex number x +iy

Expert's answer

Let (z+1+i)/3 = a.

sinh

sinh

^{-1}(a) = ln (a + √(a^{2}+1))Need a fast expert's response?

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