Vermont: Year in prison for anyone under 21 in possession of cell phone - tentative legislation

Zenaan Harkness zen at freedbms.net
Mon Jan 13 02:23:27 PST 2020


On Mon, Jan 13, 2020 at 03:18:14AM -0600, Shawn K. Quinn wrote:
> On 1/11/20 18:44, Razer wrote:
> > Ps. The first time I ever saw a calculator allowed in a classroom, no
> > less a test area, I knew American children would be a global math fail.
> > You need to learn the mechanics, just like you need to learn Text is
> > spelled TEXT not TXT, first. Then you can fake it. Which is what I
> > always told the class A drivers I trained. Learn to do it MY way first,
> > THEN you can do it your way.
> 
> It is important to know how to do basic math using only pencil and
> paper, but beyond addition, subtraction, multiplication, division, and
> square roots (which can be done on paper, just nobody teaches them
> anymore), a lot of the calculations start to get really tedious when you
> have to work out each step by hand (trigonometry functions, logarithms,
> etc) and the chances for errors go way up.


Even then, if you learn to differentiate ("re-establish") sin(),
cos() and tan() from "first principles", that's not only a good
feeling, but a prima facie demonstration of understanding, which
opens doors to nutha level nunderstandin', muh muffaluggerahs :)


  Differentiating cos and sin from First Principles
  https://www.youtube.com/watch?v=cmBIyKQleWU

  Differentiating sin(x) and cos(x) from first principles
  https://www.youtube.com/watch?v=ojNz3Yd-mnI

  Differentiation of trigonometric functions - Wikipedia
  https://en.wikipedia.org/wiki/Differentiation_of_trigonometric_functions

  Derivatives of Sine, Cosine and Tangent
  https://www.intmath.com/differentiation-transcendental/1-derivative-sine-cosine-tangent.php

  Sin cos and tan from first principles — browse images
  https://yandex.com/images/search?text=sin%20cos%20and%20tan%20from%20first%20principles&stype=image&lr=21265&parent-reqid=1578910610374653-977297112862716815500123-vla1-3507&source=wiz



> Yes, if you need a calculator to do 2+2, you deserve to fail math. But
> that's not why calculators are allowed on modern math tests.
> 
> -- 
> Shawn K. Quinn <skquinn at rushpost.com>
> http://www.rantroulette.com
> http://www.skqrecordquest.com


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