I believe Gauss also complained about sin² x meaning (sin x)² rather than sin sin x.
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Some old hippie, caught another hippie, tripping on acid. Trigonometry mnemonic for sin = opp/hyp cos = adj/hyp tan = opp/adj

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Silly old hens on acid not acorns I like it
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My son had his own complaint: He thought that 1/sin = csc and 1/cos = sec was "messed up" because the c's and s's didn't align. Great minds
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It’s all about the third letter
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Is there a name for this notation and has anybody implemented it in equation editors / LaTEX?
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I suppose one could say s(a)=sin(a)
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Good thought, but that just looks more like a function "s of..." rather than sine.
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Sigma for sign. Square root with a twist for cause and tor the onion router for tan at pi by 2
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He's not wrong!
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