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109 points nomemory | 1 comments | | HN request time: 0.2s | source
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sevensor ◴[] No.42186490[source]

    sin x = x
Half the problems in EE become trivial once you learn this. Sometimes the universe does a bad job of complying with the approximation though.
replies(4): >>42186803 #>>42186842 #>>42187116 #>>42187823 #
1. setopt ◴[] No.42187823[source]
Since e^(2πi) = 1, we can also conclude that e^(2πifx) = 1^(fx). This makes Complex Fourier Transforms quite trivial.