Whoops, it turns out Euler's formula does work! I expected imprecision, but at least one test matched.
x = 42 cos(x) + 1j * sin(x) == e ** (1j * x) I suppose that's because it's radians. On Mon, Jun 11, 2018, 10:24 AM Michael Selik <m...@selik.org> wrote: > Would sind and cosd make Euler's formula work correctly? > > sind(x) + i * sind(x) == math.e ** (i * x) > > I suspect that adding these functions is kind of like those cartoons where > the boat is springing leaks and the character tried to plug them with their > fingers. Floating point is a leaky abstraction. > > Perhaps you'd prefer an enhancement to the fractions module that provides > real (not float) math? >
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