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New trigonometry is a sign of the time
physorg.com ^
| September 16, 2005
Posted on 09/18/2005 8:41:47 AM PDT by cloud8
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To: cloud8
I taught myself math, so I like it. But you have to spend a lot of time looking for the right books.
To: montomike; velocityguy
I am a math major in case you two couldn't tell. Math is wonderful, but I think for most people it takes a really great teacher to get past the silly words and funny symbols.
42
posted on
09/18/2005 9:24:13 AM PDT
by
Moonman62
(Federal creed: If it moves tax it. If it keeps moving regulate it. If it stops moving subsidize it)
To: cloud8
oh great...now what do i do with all these x's & y's i've hoarding ?
43
posted on
09/18/2005 9:24:32 AM PDT
by
stylin19a
(In golf, some are long, I'm "Lama Long")
To: Who dat?
44
posted on
09/18/2005 9:24:54 AM PDT
by
elfman2
(2 tacos short of a combination plate)
To: cloud8
I did hear about a mathematician that got pi eyed.
45
posted on
09/18/2005 9:25:04 AM PDT
by
punster
To: cloud8
Take a look at
Chapter 1 of the book. What I see is a complex replacement of sin/cos/tan with what amounts to the Pythagorean Theorem. You have to give up the concept of angle and distance and replace it with "quadrance" (distance squared) and "spread" (don't ask) and you still (obviously) have to be able to do square roots to get answers. So he makes you give up the intuitive idea of distance and angle just so you don't have to push the SIN, COS or TAN buttons on your calculator. Instead you have to push the SQR button several times.
This is progress?
To: dr_who_2
47
posted on
09/18/2005 9:28:04 AM PDT
by
Publius6961
(Liberal level playing field: If the Islamics win we are their slaves..if we win they are our equals.)
To: Graymatter
I taught myself math, so I like it. But you have to spend a lot of time looking for the right books. Hogben...
48
posted on
09/18/2005 9:29:32 AM PDT
by
Publius6961
(Liberal level playing field: If the Islamics win we are their slaves..if we win they are our equals.)
To: cloud8
Once you learn the five main rules of rational trigonometry and how to simply apply them, you realise that classical trigonometry represents a misunderstanding of geometryAnd yet he's left me still scratching my head since he failed to explain the five main rules.
49
posted on
09/18/2005 9:30:34 AM PDT
by
mtbopfuyn
(Legality does not dictate morality... Lavin)
To: Paladin2
> New math was great (for those continuing in math and science).
SMSG math was utterly confusing.
> Ever try casting out 9's?
Check digits. That's not math...it's magic :)
50
posted on
09/18/2005 9:30:46 AM PDT
by
cloud8
To: cloud8
Mathematics students have cause to celebrate. Wow. That oughta be a party.
51
posted on
09/18/2005 9:31:34 AM PDT
by
Texas Eagle
(If it wasn't for double-standards, Liberals would have no standards at all.)
To: cloud8
Then why does casting out 7's work in octal (base 8 for those who took new math)?
52
posted on
09/18/2005 9:32:30 AM PDT
by
Paladin2
(MSM rioted over Katrina and looted the truth)
To: cloud8
To: mtbopfuyn
Move to polar/spherical coordinates.
54
posted on
09/18/2005 9:33:54 AM PDT
by
Paladin2
(MSM rioted over Katrina and looted the truth)
To: VermiciousKnid
Back when I was a boy,
We didn't have calculators,
or computers ...
We had slide rules,
And trig function tables,
With print so small that you needed a magnifying glass,
AND WE LIKED IT!
To: elfman2
No s~t? Whats his name? Where did he teach? His name was Joe Berland and he taught at Chabot College.
For some reason I wanted to take a class but it required you either having taken their trig class or go through some sort of trig test as a prerequisite.
I had taken a cheesy trig/intro trig type class years before in high school so I didnt feel confident that I could pass a trig test so I decided to go ahead and take it there. The one that fit my schedule was the one he taught.
Just dumb luck on my part but he was an excellent instructor. Just about every semester the new crew at the junior college paper would re-discover that he was (or had been?) a professional musician.
http://www.miriamcutler.com/MIRarticles_fourteen.htm
(Dont know when that was written but evidently he can play keyboards, accordion and clarinet evidently at some point they reunited to do some sort of play (second paragraph from end))
56
posted on
09/18/2005 9:34:12 AM PDT
by
Who dat?
To: Paladin2; Servant of the 9
Ever try casting out 9's?He's out to get you swervie...
57
posted on
09/18/2005 9:34:39 AM PDT
by
null and void
(If you can read this, you are too close.)
To: cloud8
What horsefeathers. You need to understand sines etc to understand any periodic phenomenon, it is hardly just about triangles. Then you need it to understand families of orthogonal functions, expansions, frequency spectra, light, fields, yada yada yada. This is just dumbing math down for nabobs who'll never learn enough of it to tie their shoes.
58
posted on
09/18/2005 9:35:42 AM PDT
by
JasonC
To: cloud8
Hooray for new math,
New-hoo-hoo-math,
It won't do you a bit of good to read math.
It's so simple,
So very simple,
That only a child can do it!
---Tom Lehrer
59
posted on
09/18/2005 9:36:31 AM PDT
by
fzx12345
(This space is unintentionally left blank.)
To: mtbopfuyn
I suspect those rules are "obvious to the casual observer".
60
posted on
09/18/2005 9:36:45 AM PDT
by
KC_for_Freedom
(Sailing the highways of America, and loving it.)
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