Complex Analysis - Exponential Function

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This was really helpful, thank you!

nabbznashia
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Really helpful thanks. I agree that e^z = e^x(cos y + isin y) can never be proved, but I feel it seems more intuitive if you start with e^x = 1+x+ x^2 / 2! + x^3 / 3! + ... and then see how swapping in the complex number z leads to the formula e^x(cos y + isin y).

matthewhowey
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you've been awesome. really passionate

mysmallcap