Question

Vector operation question - rotate a 2d vector based on angle

score 1.4k · Answer 1 · 2026-04-13 23:25:44

1.4k

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Vector operation question - rotate a 2d vector based on angle

Published on 13 Apr 2026 - 23:25

score 166 · Answer 2 · 2026-04-12 23:36:22

166

Views

Average vs extreme spacing on $N$ random points on the unit interval

Published on 12 Apr 2026 - 23:36

score 77 · Answer 3 · 2026-04-13 20:09:19

77

Views

Calculating the coordinates of a point based on its distance from other points

Published on 13 Apr 2026 - 20:09

score 236 · Answer 4 · 2026-03-25 17:52:00

236

Views

what do terms like lines and angles mean after Euclid's parallel postulate is relaxed?

Published on 25 Mar 2026 - 17:52

score 87 · Answer 5 · 2026-04-13 22:08:50

87

Views

Euclid's Proposition 6 Book I proof by circle

Published on 13 Apr 2026 - 22:08

score 682 · Answer 6 · 2026-04-14 02:12:09

682

Views

Sum of coefficients of vectors equal to 0.

Published on 14 Apr 2026 - 2:12

score 2.2k · Answer 7 · 2026-04-11 16:50:04

2.2k

Views

Did Euclid really prove the existence of irrational numbers?

Published on 11 Apr 2026 - 16:50

score 395 · Answer 8 · 2026-04-16 20:01:16

395

Views

Prove that there is (not?) an affine isomorphism between any two parallelograms

Published on 16 Apr 2026 - 20:01

score 744 · Answer 9 · 2026-04-15 03:07:55

744

Views

In a right-angled triangle of equal opposite and adjacent sides, why is the intersection of the median lines one third of the triangles height?

Published on 15 Apr 2026 - 3:07

score 45 · Answer 10 · 2026-04-13 11:23:52

45

Views

Difference between $\mathbb{E}^n$ and $\mathbb{R}^n $?

Published on 13 Apr 2026 - 11:23

score 160 · Answer 11 · 2026-04-12 12:03:27

160

Views

Scalar product and geometric interpretation of formula

Published on 12 Apr 2026 - 12:03

score 294 · Answer 12 · 2026-04-08 21:18:38

294

Views

Sphere packing question AGAIN.

Published on 08 Apr 2026 - 21:18

score 672 · Answer 13 · 2026-04-15 15:51:15

672

Views

image of circle after inversion

Published on 15 Apr 2026 - 15:51

score 58 · Answer 14 · 2026-04-16 15:06:24

58

Views

Calculating the distance between 2 points being given 3 lenghts and 2 angles.

Published on 16 Apr 2026 - 15:06

score 403 · Answer 15 · 2026-04-13 15:04:55

403

Views

Hard problem of circumcircle, circumcenter and orthocenter

Published on 13 Apr 2026 - 15:04

List Question

Vector operation question - rotate a 2d vector based on angle

Average vs extreme spacing on $N$ random points on the unit interval

Calculating the coordinates of a point based on its distance from other points

what do terms like lines and angles mean after Euclid's parallel postulate is relaxed?

Euclid's Proposition 6 Book I proof by circle

Sum of coefficients of vectors equal to 0.

Did Euclid really prove the existence of irrational numbers?

Prove that there is (not?) an affine isomorphism between any two parallelograms

In a right-angled triangle of equal opposite and adjacent sides, why is the intersection of the median lines one third of the triangles height?

Difference between $\mathbb{E}^n$ and $\mathbb{R}^n $?

Scalar product and geometric interpretation of formula

Sphere packing question AGAIN.

image of circle after inversion

Calculating the distance between 2 points being given 3 lenghts and 2 angles.

Hard problem of circumcircle, circumcenter and orthocenter

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