Top network posts

• 41 "And introducing..." used for known actors?
• 15 Show that $f(x)=\sqrt 2$ has no solutions $f(x)=\sin x\cos x(2+\sin x)$ and $x\in [0,\frac{\pi}{2}]$.
• 12 Why was a newspaper crossword puzzle used to find prospective code-breakers?
• 10 Evaluating $\int\frac {dx}{1+x^2}$
• 7 Name of the rule allowing the exchanging $\sin$ and $\cos$ in integrals with limits $0$ and $\pi/2$?
• 6 Evaluate $\displaystyle\int\limits_{-2}^{2}\frac{x^{4}}{1+6^{x}}dx$
• 6 Find the minimum of $x^3+\frac{1}{x^2}$ for $x>0$
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