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#1




Math you're surprisingly bad at
As actuaries, we are certainly in a pretty high percentile for math knowledge. And yet, there are plenty of people who have more math knowledge than I do (including quite a number of folks on this board.)
In fact, there are some kinds of math that I'm embarrassingly weak on. For instance, I never had a great trig class, and the subject just never appealed to me. Heck, I can't remember the Law of Cosines without looking it up. Anybody else want to fess up? 
#3




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#4




I suck at math
I'm really surprised I even made it this far
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#5




I could not recite the Law Of Cosines without first looking it up and I am certified to TEACH trigonometry.
I might be able to derive it though. I can’t remember double & half angle formulas either. Less confident in my ability to derive those without help. I actually regret that I never got to teach Trig. The best way to learn something is absolutely to teach it. I shoulda stuck with teaching longer, but that would’ve involved... sticking with teaching longer. Maybe in a few years I’ll take some pitifully lowpaying adjunct instructor position at a community college and I could teach trig there.
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#6




I don't really remember math beyond the basic stuff that I use at work or in life. people actually remember math from college or actuarial exams after being away from it for years?
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#7




Pseudodifferential operators always get me.

#8




I do that now (well, it's called college algebra but it is pre calc), and I'm amazed at how much I rely on the book to relearn the material before presenting. Some of it is very technical Martha I haven't used or seen in 30 yrs!

#10




The stuff I didn't do well in wouldn't surprise (number theory)
I mean, I did okay, but I never went too far with it. I've always been a more applied math person (calc/analysis, linalg, numerical algorithms, asymptotics, probability, etc.)
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