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seen May 9 '12 at 18:20

Hi all!You may reach me at torridtornado[at]gmail[dot]com or look up my blog https://intuitiveintuition.wordpress.com/ I am here to ask stupid questions.


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awarded  Popular Question
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comment Point on the bisector and excenter
I think yes.That's what the OP meant.
May
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comment A trigonometric identity: $(\sin x)^{-2}+(\cos x)^{-2}=(\tan x+\cot x)^2$
@ Farhad Yusufali Check the third and fourth terms in line 2 of what you have done.
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awarded  Commentator
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comment A trigonometric identity: $(\sin x)^{-2}+(\cos x)^{-2}=(\tan x+\cot x)^2$
Ok, then please post that mess here.The problem is not messy at all.That way you can get feedback on where you went wrong.
May
7
comment A trigonometric identity: $(\sin x)^{-2}+(\cos x)^{-2}=(\tan x+\cot x)^2$
What have you tried?
May
7
revised When did mathematicians think of axiomatically building or defining operations etc?
added 399 characters in body
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awarded  Quorum
May
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asked When did mathematicians think of axiomatically building or defining operations etc?
May
7
comment Why are imaginary numbers called imaginary numbers
@ J.M. That was an informative article too.
May
7
answered Why are imaginary numbers called imaginary numbers
May
7
answered How do I use substitution in integrals?
May
7
revised Opinions on foundational math materials to teach 8th grade, 9th grade kids at a Summer Camp
Added something
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comment How do I use substitution in integrals?
It helps to consult a standard textbook in calculus. :)
May
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comment Find $s$ and $t$ with substitution?
What have you tried?
May
6
comment Why does the cylinder with minimum surface area have a height equal to its diameter?
See here artofproblemsolving.com/Wiki/index.php/Proofs_of_AM-GM for proof of the AM-GM inequality.The proof by Cauchy is the one I really like.
May
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accepted Convergence of this integral