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Mathematics
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2012ssohn's user avatar
2012ssohn's user avatar
2012ssohn
  • Member for 10 years, 9 months
  • Last seen more than 6 years ago
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I am a math enthusiast. Yay!

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27
Tricky Triangle Area Problem
Apr 28, 2014
14
Find the value of a+b+c
Mar 2, 2014
12
Proving that $\frac{e^x + e^{-x}}2 \le e^{x^2/2}$
Jan 28, 2014
11
Proving a trig identity: $\frac{\sin(A + B)}{\sin(A - B)}=\frac{\tan A + \tan B}{\tan A - \tan B}$
Feb 8, 2014
11
If $\frac{d}{dx}e{^x} = e{^x}$, then why does $\frac{d}{dx}e^{-14}$ = 0?
Mar 19, 2014
10
A logic problem, which involves math
Apr 27, 2014
8
Probability with a coin and a die
Apr 29, 2014
6
I found this odd relationship, $x^2 = \sum_\limits{k = 0}^{x-1} (2k + 1)$.
Mar 3, 2014
6
finding determinant as an function in given matrix
Oct 27, 2013
6
Need help understanding this integration by substitution: $\int \sec^{2}{x} \tan^{3}{x} \, \mathrm{d}x$
Jan 20, 2014
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