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tomi

UK

I am a teacher of Mathematics. I love good questions, by which I mean questions that lead to interesting avenues of thought or generate other questions or require clever understanding to solve.

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43
Maths symbol that looks like Sputnik
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28
Differential equations: how does separation of variables really work?
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14
Why did George Lucas set Star Wars in the past instead of the future?
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10
Find an algebraic expression for sin(arccos(x))
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8
Maclaurin Expansion for $e^{e^{z}}$ at $z=0$
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8
That $(\sin x)(\arcsin x)\approx x^2$ for small $x$ is clear from the Maclaurin series. Is there an intuitive explanation?
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6
Given a drawing of a parabola is there any geometric construction one can make to find its focus?
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6
Is there a way to use a calculator for logarithmic form equations that aren't base 10 or base e?
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6
How to tell if a graph is bipartite?
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6
If $a > 0$,$b>0$, and $\frac{1}{a} + \frac{1}{b}$ is an integer, prove that $a=b$. And show that $a = 1$ or $2$
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6
Why is being indirect more polite than being direct in Japanese?
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6
Why do we need formal logic proofs when we have truth tables?
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5
$\sqrt2^{\sqrt3 }$ $<$ $\sqrt3^{\sqrt2 }$ geometrical way
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5
Question about の
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5
How to simplify the Boolean expression $A'BC + AB'C' + A'B'C' + AB'C + AB$?
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5
Is there a way to solve $\arcsin\left(\frac{d}{r}\cdot \sin(x)\right)=\phi-x+\frac{\theta}{2}$ for $x$?
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5
$f(x)=x^2-3x-2$ for $x\ge3$. how to find point of intersection of $f^{-1}(x)$ and $g(x)=x-3$?
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