Argon

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I am teaching myself mathematics ... poorly.


174 Answers

newest activity votes
28
How do you calculate the decimal expansion of an irrational number?
19
How does $e^{\pi i}$ equal $-1$
17
Have there been efforts to introduce non Greek or Latin alphabets into mathematics?
16
Proving :$\arctan(1)+\arctan(2)+ \arctan(3)=\pi$
15
Cutting cake into 5 equal pieces
13
Finding the sum of series; sum of squares
12
Is there any geometric way to characterize $e$?
11
How does $e^{i x}$ produce rotation around the imaginary unit circle?
11
1 to the power i
11
Why does $\cos (\pi\cos (\pi \cos (\log (20+\pi)))) \approx -1$
8
Maybe a rather famous integral
8
Find integral from 1 to infinity of $1/(1+x^2)$
8
pronunciation of sinh x, cosh x, tanh x for short
8
Proving $\sqrt 3$ is irrational.
7
Evaluating $\int^{\infty}_{0}{\frac{\ln x}{(1+x^2)^2}dx}$
7
Why decimal expansion of $e$ has two copies of $1828$
7
Possibility to simplify $\sum\limits_{k = - \infty }^\infty {\frac{{{{\left( { - 1} \right)}^k}}}{{a + k}} = \frac{\pi }{{\sin \pi a}}} $
7
What is $\cot(\pi/2)$?
7
How to evaluate the integral $\iint_C \sin (x^2+y^2)\,\mathrm dx\,\mathrm dy$
6
An easier way to find the integral of: $\int {x\sqrt {2 + x} {\rm{ }}dx} $, where ${u^2} = 2 + x$
6
integral with $\log\left(\frac{x+1}{x-1}\right)$
6
Integrating $\sin^2(x)$ using imaginary numbers.
6
An integral similar to binomial formula?
6
How do we solve for a
6
Sum and Product of Infinite Radicals
6
What do the $+,-$ mean in limit notation, like$\lim\limits_{t \to 0^+}$ and $\lim\limits_{t \to 0^-}$?
6
Why do mathematicians care so much about zeta functions?
5
What is the difference between exponentials and powers?
5
Minimizing The Cost
5
How does $\cos(\pi ) = -1$?
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