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hyperpallium

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algebra-precalculus

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6/20 answers

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3 posts edited

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97 votes cast

Questions (31)

Votes Activity Newest

34	A way to directly see that the interior angles of triangle sum to $180^\circ$?
3	Are there other self-similar functions like $e^x$ and $\cos x$? [duplicate]
3	A way to directly see the Inscribed angle theorem? (i.e. central angle is twice the inscribed angle)
2	Technique for simplifying, e.g. $\sqrt{ 8 - 4\sqrt{3}}$ to $\sqrt{6} - \sqrt{2}$
2	prove $x+y=a, xy=b$ uniquely determine $x,y$

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Reputation (831)

+20	Technique for simplifying, e.g. $\sqrt{ 8 - 4\sqrt{3}}$ to $\sqrt{6} - \sqrt{2}$
+10	Deeper meaning and intuition behind $\frac{x}{1+x^2}$ having the same values for $x$ and for $\frac{1}{x}$
+10	How do you revise material that you already half-know, without getting bored and demotivated?
+10	A way to directly see the Inscribed angle theorem? (i.e. central angle is twice the inscribed angle)

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Answers (14)

Votes Activity Newest

2	How do you revise material that you already half-know, without getting bored and demotivated?
2	A way to directly see that the interior angles of triangle sum to $180^\circ$?
1	Deeper meaning and intuition behind $\frac{x}{1+x^2}$ having the same values for $x$ and for $\frac{1}{x}$
1	Are two numbers, $a$ and $b$, uniquely determined by their addition $a+b$ and product $a b$?
1	How to improve at handling the (mild) complexity of high school trig?

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Tags (36)

4 soft-question × 6	1 arithmetic × 5
3 algebra-precalculus × 22	1 trigonometry × 3
3 visualization × 9	1 abstract-algebra × 2
3 geometry × 8	1 intuition
3 self-learning × 3	0 polynomials × 7

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	Mathematics	831 rep	5 silver badges14 bronze badges
	Stack Overflow	391 rep	3 silver badges15 bronze badges
	Computational Science	364 rep	3 silver badges11 bronze badges
	Computer Science	293 rep	1 silver badge10 bronze badges
	Science Fiction & Fantasy	239 rep	1 silver badge6 bronze badges

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Votes cast (97)

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97	up		24	question
0	down		73	answer

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