Why aren't these things on most math syllabus'?

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CancerousProblem
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Incenter, centroid, circumcenter, and orthocenter of a triangle including basic results concerning these.

Heron's Formula

Modular Arithmetic

AM-GM inequality for AT LEAST n=2 and n=3 (all n preferred though.)


These things come up SO OFTEN in questions and knowing them is so useful, yet it is startling how these aren't taught are part of a core syllabus.
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RachelLJ
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We are taught centroid, circumcentre and orthocentre in SQA Higher Maths but haven't even heard of the rest so far


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shawn_o1
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modular arithmetic doesn't have enough applications in other subjects to be worth learning about in A Level maths.
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Cadherin
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Why don't we do group theory and proper differential equations on standard maths syllabi?
Matrices used to be on the O-level syllabus ffs.

To directly answer your question, because of dumbing down!
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Gnomes&Knights
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(Original post by CancerousProblem)
...
You seem to show a huge interest in Maths because almost all your threads are about Maths. I guess you do Further Maths.
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CancerousProblem
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(Original post by Raymat)
You seem to show a huge interest in Maths because almost all your threads are about Maths. I guess you do Further Maths.
I am in lower 6. i will do further maths next year, im doing full a level this year because that is how my school does it. Normal a level maths is a joke though it is so easy wtf?!
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aoxa
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(Original post by CancerousProblem)
I am in lower 6. i will do further maths next year, im doing full a level this year because that is how my school does it. Normal a level maths is a joke though it is so easy wtf?!
God forbid, some people might not find it as easy as you?
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simonli2575
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Learned Heron's formula before I studied A-level, and haven't heard about it yet.

The sad reality is that the syllabuses keep getting dumb down over time. For example, intrinsic coordinates are no longer in FP2, rotational mechanics and translational mechanics are now separate, etc. Hopefully this won't happen with University courses.
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davros
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(Original post by CancerousProblem)
Incenter, centroid, circumcenter, and orthocenter of a triangle including basic results concerning these.

Heron's Formula

Modular Arithmetic

AM-GM inequality for AT LEAST n=2 and n=3 (all n preferred though.)


These things come up SO OFTEN in questions and knowing them is so useful, yet it is startling how these aren't taught are part of a core syllabus.
Which "questions" are you looking at? They don't come up at all in standard examination questions - are you talking about competitive mathematics like BMO etc? The geometric stuff you've mentioned can be an interesting pursuit in its own right but doesn't feed into much else, apart from the concept of "centroid" which has a more general application in Mechanics to different shapes.

(Original post by shawn_o1)
modular arithmetic doesn't have enough applications in other subjects to be worth learning about in A Level maths.
Modular arithmetic was part of O level Maths when I was at school
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bigmansouf
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May I ask if it is possible to use Heron's formula to answer questions in A level maths
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TeeEm
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(Original post by bigmansouf)
May I ask if it is possible to use Heron's formula to answer questions in A level maths
I always teach this formula to my students!
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bigmansouf
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thanks may I ask if it is possible for me to use Mollweide's relation for trig question as well

thanks TeeEm

Please can I ask if I should learn the t-formulae using in trigonometry as well since some users talk about it in the steps threads
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TeeEm
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(Original post by bigmansouf)
thanks may I ask if it is possible for me to use Mollweide's relation for trig question as well

thanks TeeEm

Please can I ask if I should learn the t-formulae using in trigonometry as well since some users talk about it in the steps threads
the t-formulas are very important if you go into maths, engineering, physics etc.
Sadly more and more items vanish every time there is a syllabus change.

Mollweide's formulas are not important in my opinion.
I only had to use them in highly geometrical questions, a very long time ago.

when I was a student I had made my own reference/formula book.
Now there are a lot of good reference books in the market.
http://www.amazon.co.uk/Schaums-Outl...=9780071548557
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Feline_Nymphet
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I honestly feel like suing every prof I have who wings the syllabus. Like on the 3rd you said this would be this this that but you wanna remix this **** now? Ah hell naw dawg! We don't get down like dat, G! (:mmm:)
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TeeEm
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(Original post by Feline_Nymphet)
I honestly feel like suing every prof I have who wings the syllabus. Like on the 3rd you said this would be this this that but you wanna remix this **** now? Ah hell naw dawg! We don't get down like dat, G! (:mmm:)
I wish I understood what you are saying ...
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Feline_Nymphet
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(Original post by TeeEm)
I wish I understood what you are saying ...
I don't understand either, I was possessed when I wrote it.
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TeeEm
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(Original post by Feline_Nymphet)
I don't understand either, I was possessed when I wrote it.
I feel a bit better because I am drinking right now and I thought it was me
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Feline_Nymphet
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(Original post by TeeEm)
I feel a bit better because I am drinking right now and I thought it was me
Image
I hope that's ^^^ not really what you're looking like right now...
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TeeEm
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(Original post by Feline_Nymphet)
I hope that's ^^^ not really what you're looking like right now...
that minus the vest
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Feline_Nymphet
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(Original post by TeeEm)
that minus the vest
:rofl: And the potbelly? Pray tell. what kinda night have you been having, sir? What you drinkin?
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