Comment on EuLeR iS nOT a PHySicIST

Gustephan@lemmy.world ⁨7⁩ ⁨hours⁩ ago

• Trashbones@lemmy.sdf.org ⁨7⁩ ⁨hours⁩ ago

  I’d be curious how that works? I always hated memorizing those things, and I’d love it if there was some way to easily derive those from a single relationship.

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  • Gustephan@lemmy.world ⁨7⁩ ⁨hours⁩ ago

    e^(ix) = cos(x) + i sin(x)

    That is the euler relationship. You can use that relationship to convert any expression with a trig function into an expression of exponentials and imaginary numbers. “Euler’s formula” is a good search term if you want to learn more

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