Top network posts

• 7 Is equality of two fractions ( like $2/10$ and $1/5$) really equality or equivalence?
• 7 Show that $\sqrt{1+x}<1+\frac{x}{2}$ for all $x>0$
• 6 $\{0,1\}$-valued continuous functions on the Cantor set
• 6 Solving a sequence limit with floor
• 6 Finding the value of $\sin {^4 \frac{\pi}{16}} +\sin {^4 \frac{3\pi}{16}} +\sin {^4 \frac{5\pi}{16}} +\sin {^4 \frac{7\pi}{16}} $
• 6 Functional equation $ f(x) + f\left(1-\frac{1}{x}\right) = \tan^{-1}(x) $ and definite integral
• 6 Solving $f(x)$ in a functional equation
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