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I dunno, this seems like a perfectly reasonable tool. Saying "what was the double angle formula for sin, again?" or "what was the error term in Stirling's appro
by OskarS 5y ago
I dunno, this seems like a perfectly reasonable tool. Saying "what was the double angle formula for sin, again?" or "what was the error term in Stirling's approximation" doesn't mean that you don't understand the fundamentals.
- whimsicalism 5y agoI find I don't really need to remember trig as long as i remember how imaginary exponentials and the unit circle works. Def agree on Stirling's though.
- JadeNB 5y ago> I find I don't really need to remember trig as long as i remember how imaginary exponentials and the unit circle works. Or, to phrase it differently, trigonometry is just a different language for the restriction of the complex exponential to the imaginary axis, and you are remembering the facts in translated form. (Which I agree is much better—it's certainly the only way I can ever remember the thicket of identities! But I'd argue that it's still remembering trigonometry.)