Mathematics
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igumnov's user avatar
igumnov
  • Member for 11 years, 7 months
  • Last seen more than 6 years ago
  • Moscow, Russia
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Жизнь рвётся ввысь, 
И в каждой песчинке мечта 
Всё так же жестоко проста —
Рассеять энергию...
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All Questions Answers
Score Newest
answer
15
Prove $(1-\cos x)/\sin x = \tan x/2$
Jul 10, 2013
answer
13
Is $2^{218!} +1$ prime?
Apr 10, 2013
answer
12
How can I prove that $xy\leq x^2+y^2$?
Apr 10, 2013
answer
7
How do you find the limit of $\lim_{x \to 0} \frac{1-e^{6x}}{1-e^{3x}}$
Apr 6, 2013
answer
6
Mental estimate for tangent of an angle (from $0$ to $90$ degrees)
Jul 17, 2013
question
3
A curious fact on partitions of 7 integer and related question.
Jul 15, 2013
answer
2
How to determine the exact value of $\sin(585^\circ)$?
Apr 7, 2013
answer
2
How to show $\left(1-\frac{2}{n^2}\right)^{n^2/2} \le \frac1e$?
Apr 10, 2013
question
1
The unbeatable $\int e^{1/\cos(x)} dx$ integral
Jan 24, 2014
question
1
Nested square root of continued fraction references
Feb 1, 2014
Top network posts
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106
Hello world с пустой функцией main
46
Сравнение 2-ух списков в python
13
Загрузка картинок из сети в приложение Android
12
Как на C# "перевернуть" строку: было - 123, стало - 321?
12
"Функция" в теле программы. Как сделать?

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