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Beni Bogosel earned this badge 15 times |
aug 28 at 20:04
Solving the system $\sum \sin = \sum \cos = 0$.
aug 10 at 6:34
limit of a recursively defined function
jun 14 '12 at 14:13
Evaluating $\displaystyle\lim_{x \to 0}\frac{1-\cos (1- \cos x)}{x^4}$
apr 5 '12 at 10:18
If $f(x + 1) + f(x − 1) = f(x), \forall x \in \mathbb{R}$,then how to find $k$ such that $f(x + k) = f(x)$?
feb 25 '12 at 13:01
Prove that $f(x)$ has no integer roots
nov 25 '11 at 9:42
Find x in $4^{\sin^2x}+4^{\cos^2x}=8$
nov 9 '11 at 4:36
How to prove periodicity of $\sin(x)$ or $\cos(x)$ starting from the Taylor series expansion?
sep 30 '11 at 11:13
Does $F(t)F'(t) \le 0$ imply that $F$ does not change signs?
sep 4 '11 at 21:23
Proving that $ 2 $ is the only real solution of $ 3^x+4^x=5^x $
jul 1 '11 at 16:03
Inequality: $(x + y + z)^3 \geq 27 xyz$
jun 30 '11 at 11:17
How are the integral parts of $(9 + 4\sqrt{5})^n$ and $(9 − 4\sqrt{5})^n$ related to the parity of $n$?
jun 28 '11 at 11:43
Elementary proof of $m^n\neq n^m$ for almost all natural numbers $m\neq n$
jun 20 '11 at 0:30
$\lim_{n \to +\infty } \left \{ en! \right \}$
