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RE: Ask a Mathematician - therapy for the fear of math or just answers to questions that bug you!
Sorry, last one I promise: will there be a use for Euler's identity e^(iπ) = -1 ?
Sorry, last one I promise: will there be a use for Euler's identity e^(iπ) = -1 ?
What do you mean "a use"? It is an identity. It has a conceptual beauty as it combines arithmetic, complex numbers, trigonometry and logarithms into one framework.
The general formula e^iz = cosz +isinz is used as the starting point to solve many differential equations.