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06-14-2002, 02:17 PM | #11 |
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Oh, regarding CAST, our teacher made us learn that by "all students take calculus," in counter-clockwise fashion, starting from the first quadrant.
Well, since I made this post, I have studied it a bit more, and I think it is clicking in my mind (a little bit). The funny thing is, if I pass this class (this course is for summer school, since it is of course summer), I'll be in AP Calculus as a senior in high school. But, you see, I can do some calculus, including basic derivatives and integrals. Now, I'm sure the trigonometry unit of calculus class will be a crazy one. |
06-14-2002, 04:52 PM | #12 | |
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06-15-2002, 08:55 AM | #13 |
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Bizarre coincidence! I'm currently trapped in the jungles of finding efficient C++ algorithms for two-dimensional collision detection for a simulation I'm writing*. Nearly all the literature discusses 3D collision detection and I'm thinking the most efficient 2D algorithms must be simpler than degenerate 3D tests with Z=0. <img src="graemlins/banghead.gif" border="0" alt="[Bang Head]" />
-NeilUnreal *i.e. "Tricks of the Trade" |
06-15-2002, 10:21 AM | #14 |
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I share your pain mate, Trigonometry gave me an enormous amount of grief during my A-level Maths course. (I'm English). Luckily I finally managed to get the hang of it days before my Pure 2 retake last Tuesday.
I think one of the worst things about it is there is no easy way of "visualising" what dy/dx [6cos²3x + 9sin³2x] or whatever could "look" like. My only advice is to practice (past papers in my case) and make a conscious effort to remember stuff like the double and half-angle formulee, (one method which sort of worked for me is going through it for a few minutes before you go to sleep,… providing your not drunk or with your boy/girlfriend or something… ) It should finally click, and when it finally does it becomes quite a good method for getting easy marks |
06-15-2002, 01:39 PM | #15 | |
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It took a lot of get your head around it, but it was really neat once you started to make your way. |
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06-15-2002, 07:28 PM | #16 | |
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06-21-2002, 04:48 AM | #17 |
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Yes, when it begins to involve conoids or hyperbolic paraboloids,,,
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06-21-2002, 02:01 PM | #18 |
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I taught myself trig, and thought that it was fairly fun -- you are always jumping from the algebraic version of the world to the geometric version.
I also recall a cute proof in calculus or first year physics that the hyperbolic cosine function (aka a catenery) is the natural shape of a hanging cable in a gravitational field. |
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