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**Test 1 / 2020 TT1 Main Setting - Problem 1b**

« **on:**October 14, 2020, 05:42:27 PM »

Hello, can anyone explain the solution to Problem 1b: which of the complex roots are in the first complex quadrant? Why is it all zn that are in the first complex quadrant?

Note (for context): Problem 1a: Find all the complex roots of the equation tanh(3z) = 1 + 2i

Note (for context): Problem 1a: Find all the complex roots of the equation tanh(3z) = 1 + 2i