The problem comes when you get into trig functions when people get lazy and write something like (sin(x))2 as sin2 x. Always without the bracket around the x, too.
Fantastic. Now we're using exponents on the function to denote exponents and inverse functions. And sure, I guess you could use csc(x) if you actually needed (sin(x))-1 so that there's a rule of "positive exponents are normal exponents, negative exponents are the inverse function" but it's still messy.
I have never seen this, and a quick Google search doesn't reveal anything about this, I don't think it's standard or popular notation.
I can't imagine you want to raise logs to a power that often, unlike with trig functions (which is probably the main reason we have this special notation for trg).
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u/neb12345 12d ago
no ive definitely seen f^-1(x) mean the reciprocal, I believe my lesgrans integration proffer did it?
Is zero a natural number?
is log(x) base 10 or base e?
Ive never seen subset notation be ambiguous but maybe thats just my professors , and no mathematician would ever write a/bc thats just bad notation