Question

Equation of angle bisector between 2 planes.

score 136 · Answer 1 · 2026-04-11 11:54:16

136

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Equation of angle bisector between 2 planes.

Published on 11 Apr 2026 - 11:54

score 435 · Answer 2 · 2026-04-24 18:21:28

435

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Equation of shortest distance between two lines

Published on 24 Apr 2026 - 18:21

score 34 · Answer 3 · 2026-04-13 06:29:39

34

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Find the equation of the planes tangent to a sphere

Published on 13 Apr 2026 - 6:29

score 43 · Answer 4 · 2026-04-15 20:37:42

43

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Give coordinates of line A, find the coordinates of another line meeting line A at an angle.

Published on 15 Apr 2026 - 20:37

score 109 · Answer 5 · 2026-05-15 09:42:27

109

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how many white squares does a $2022 \times 2021$ block have?

Published on 15 May 2026 - 9:42

score 35 · Answer 6 · 2026-04-15 21:13:54

35

Views

prove that there are at most $O(d^2)$ points whose distances to A,B,C are all integers

Published on 15 Apr 2026 - 21:13

score 74 · Answer 7 · 2026-04-14 03:20:07

74

Views

show that $\det(D) = 0$ where $D_{ij} = |P_i - P_j|^2$

Published on 14 Apr 2026 - 3:20

score 69 · Answer 8 · 2026-04-16 09:22:32

69

Views

Why do these two equations represent the same line if and only if $a-a'$ and $b'$ are real multiples of $b$?

Published on 16 Apr 2026 - 9:22

score 39 · Answer 9 · 2026-04-14 02:03:43

39

Views

How to prove that, for a linear projection $f$ we can find a number $M$: $||f(u)|| \leq M ||u||$. Is it also continuous?

Published on 14 Apr 2026 - 2:03

score 64 · Answer 10 · 2026-04-13 14:35:49

64

Views

General equation to the straight line

Published on 13 Apr 2026 - 14:35

score 158 · Answer 11 · 2026-04-12 19:45:35

158

Views

Why does this formula yield a clockwise rotation for curves defined by a cartesian equation, and a counterclockwise rotation in parametric form?

Published on 12 Apr 2026 - 19:45

score 79 · Answer 12 · 2026-04-15 06:19:14

79

Views

Find area bounded between two concentric circles whose radii are connected by given equations

Published on 15 Apr 2026 - 6:19

score 59 · Answer 13 · 2026-04-16 08:59:53

59

Views

Determine the length of a side of a quadrilateral given constraints on its angles

Published on 16 Apr 2026 - 8:59

score 196 · Answer 14 · 2026-04-15 14:02:00

196

Views

Proving two chords are perpendicular

Published on 15 Apr 2026 - 14:02

score 57 · Answer 15 · 2026-04-24 20:00:32

57

Views

what is the projection of point in 3d plane

Published on 24 Apr 2026 - 20:00

List Question

Equation of angle bisector between 2 planes.

Equation of shortest distance between two lines

Find the equation of the planes tangent to a sphere

Give coordinates of line A, find the coordinates of another line meeting line A at an angle.

how many white squares does a $2022 \times 2021$ block have?

prove that there are at most $O(d^2)$ points whose distances to A,B,C are all integers

show that $\det(D) = 0$ where $D_{ij} = |P_i - P_j|^2$

Why do these two equations represent the same line if and only if $a-a'$ and $b'$ are real multiples of $b$?

How to prove that, for a linear projection $f$ we can find a number $M$: $||f(u)|| \leq M ||u||$. Is it also continuous?

General equation to the straight line

Why does this formula yield a clockwise rotation for curves defined by a cartesian equation, and a counterclockwise rotation in parametric form?

Find area bounded between two concentric circles whose radii are connected by given equations

Determine the length of a side of a quadrilateral given constraints on its angles

Proving two chords are perpendicular

what is the projection of point in 3d plane

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