Find all roots tanh(z)=i tanhz = [e^(z)-e^(-z)]/[e^(z)+e^(-z)] where do i go from here?
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Originally Posted by CarmineCortez Find all roots tanh(z)=i tanhz = [e^(z)-e^(-z)]/[e^(z)+e^(-z)] where do i go from here? Here's a start. Re-arrange: .
Originally Posted by mr fantastic Here's a start. Re-arrange: . I don't understand the factoring in you second line, what is that?
Originally Posted by CarmineCortez I don't understand the factoring in you second line, what is that? At this level of mathematical studies you should have seen the following steps (*): * *
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