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<div dir="ltr" data-setdir="false"><div><div dir="ltr" data-setdir="false">I think we need to order some shirts, "No bad math, just bad math teachers!"</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">And compounding the situation is that in many schools, it's quite acceptable to say that you are not good at math. <br></div><div dir="ltr" data-setdir="false"><br></div><div>Just to be argumentative, there are a lot of other applications for trig besides calculating triangles. <br></div><div><br></div>I
am guessing that Texx had trig in high school. There would be no
reason for a HS curriculum to assume that students would be using trig
primarily for AC circuit theory. Heck, my HS didn't have any classes in
electronics.</div><div><br></div><div dir="ltr" data-setdir="false">Anyway, for anyone thinking about learning a math subject, I highly recommend Kahn Acadamy. IMO the presentations are clear and the cost is free!</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I'd like to get opinions from anyone else who has tried KA.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div></div><div><br></div>
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On Thursday, April 16, 2020, 2:20:26 PM PDT, Texx <texxgadget@gmail.com> wrote:
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<div><div id="ydpd71b152cyiv1062082778"><div dir="ltr">Not getting trig can KILL you in AC theory classes.<div>I didnt get trig then, so I was trying to use pythagorean to do polar - rectangular conversion and obviously flunked the test.</div><div><br></div><div>The problem was that they started out with all this complicated junk and completely obfuscated the subject.</div><div><br></div><div>What they SHOULD have done and DIDNT, was to explain that trig is about arcs & angles.</div><div>If you have 2 sides and an angle or 2 angles and a side, and you know WHICH sides & angles you have, you can reconstruct the triangle.</div><div>To me, those 2 lines explain the whole subject most of the way.</div><div><br></div><div>I ended up completely learning math up to Calc in 2010 and i now totally get it.</div><div>I havent taken another crack at Calc yet, though.</div><div><br></div><div><br></div></div><br><div class="ydpd71b152cyiv1062082778gmail_quote"><div dir="ltr" class="ydpd71b152cyiv1062082778gmail_attr">On Thu, Apr 16, 2020 at 1:58 AM Nick Moffitt <<a href="mailto:nick@zork.net" rel="nofollow" target="_blank">nick@zork.net</a>> wrote:<br></div><blockquote class="ydpd71b152cyiv1062082778gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">On 15Apr2020 06:51pm (-0700), Deirdre Saoirse Moen wrote:<br>
> However, my dad, who could do calc in his sleep (physicist), recommended I skip Trig as it was a waste of time. I believed him. Now, for him that was probably true, but for me, it was not true. <br>
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I had a similar problem, where I took calculus twice but *neither* integrated trig properly. I ended up near the end of my second attempt with a burning question in my head, so I finally took it to EFNet #math and asked there. <br>
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The first answer came from someone who did not assume any knowledge on my part, and it began: "First, consider the unit circle, and a right triangle with one vertex at the center..." <br>
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<a href="https://78.media.tumblr.com/tumblr_m93533eyFU1qlfzwoo1_500.gif" rel="nofollow" target="_blank">https://78.media.tumblr.com/tumblr_m93533eyFU1qlfzwoo1_500.gif</a><br>
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I aced the exams after that, because after an evening of flipping through my textbook I found that there WAS a little chapter on the role of trigonometry in calculus. I had taken trig under the name "pre-calculus" but even that class had left the actual POINT behind so early that we just performed recipe application by rote on abstract symbols. I had to re-learn a full year of maths in a single weekend, but it happened at just the right moment to actually stick.<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="ydpd71b152cyiv1062082778gmail_signature"><br>R "Texx" Woodworth<br>Sysadmin, E-Postmaster, IT Molewhacker<br>"Face down, 9 edge 1st, roadkill on the information superdata highway..."<br></div></div>_______________________________________________<br>conspire mailing list<br><a href="mailto:conspire@linuxmafia.com" rel="nofollow" target="_blank">conspire@linuxmafia.com</a><br><a href="http://linuxmafia.com/mailman/listinfo/conspire" rel="nofollow" target="_blank">http://linuxmafia.com/mailman/listinfo/conspire</a><br></div>
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