Question

Product of perpendiculars to chord of contact from any point on the director circle is a constant

score 24 · Answer 1 · 2024-03-25 11:14:55

24

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Product of perpendiculars to chord of contact from any point on the director circle is a constant

Published on 25 Mar 2024 - 11:14

score 50 · Answer 2 · 2024-03-26 16:22:54

50

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Proving $\sum\sin(a-b)\cdot\sin(2c)=0 \implies \sum\sin(a+b)=0$

Published on 26 Mar 2024 - 16:22

score 53 · Answer 3 · 2024-03-27 06:04:54

53

Views

Relationships between the eccentricities of two hyperbolas whose latusrectums form a rectangle

Published on 27 Mar 2024 - 6:04

score 59 · Answer 4 · 2026-04-01 11:14:32

59

Views

Find all projective transformations that fix two conics

Published on 01 Apr 2026 - 11:14

score 140 · Answer 5 · 2024-03-27 15:46:01

140

Views

Calculating the Distance from a Point on the Tangent to an Ellipse to the Center

Published on 27 Mar 2024 - 15:46

score 45 · Answer 6 · 2024-03-28 07:09:37

45

Views

Is this generalization of Carnot's theorem known?

Published on 28 Mar 2024 - 7:09

score 43 · Answer 7 · 2026-03-30 07:26:40

43

Views

Value of the coordinates in parametric form of hyperbola

Published on 30 Mar 2026 - 7:26

score 81 · Answer 8 · 2026-04-08 04:11:50

81

Views

Graphical obviousification of the quadratic formula

Published on 08 Apr 2026 - 4:11

score 85 · Answer 9 · 2026-04-03 15:59:16

85

Views

Finding the tangent line to curve to the ellipse $(x-3)^2+\frac{(y-4)^2}{4}=1$ through the origin

Published on 03 Apr 2026 - 15:59

score 35 · Answer 10 · 2026-03-28 04:28:19

35

Views

Finding the parametric equation of a $3D$ ellipse that is inscribed in a cuboid

Published on 28 Mar 2026 - 4:28

score 59 · Answer 11 · 2024-03-31 21:09:45

59

Views

Locus of centers of conics through four points by geometry

Published on 31 Mar 2024 - 21:09

score 4k · Answer 12 · 2015-01-04 01:38:54

4k

Views

Why are elliptic/parabolic/hyperbolic PDEs called "elliptic"/"parabolic"/"hyperbolic"?

Published on 04 Jan 2015 - 1:38

score 834 · Answer 13 · 2026-03-28 13:22:58

834

Views

Super conic sections?

Published on 28 Mar 2026 - 13:22

score 637 · Answer 14 · 2026-03-30 20:39:30

637

Views

Finding the equation of a rational function or a conic section given three points

Published on 30 Mar 2026 - 20:39

score 595 · Answer 15 · 2014-12-27 15:50:43

595

Views

Hyperbola / Rotated Hyperbola Intersection

Published on 27 Dec 2014 - 15:50

List Question

Product of perpendiculars to chord of contact from any point on the director circle is a constant

Proving $\sum\sin(a-b)\cdot\sin(2c)=0 \implies \sum\sin(a+b)=0$

Relationships between the eccentricities of two hyperbolas whose latusrectums form a rectangle

Find all projective transformations that fix two conics

Calculating the Distance from a Point on the Tangent to an Ellipse to the Center

Is this generalization of Carnot's theorem known?

Value of the coordinates in parametric form of hyperbola

Graphical obviousification of the quadratic formula

Finding the tangent line to curve to the ellipse $(x-3)^2+\frac{(y-4)^2}{4}=1$ through the origin

Finding the parametric equation of a $3D$ ellipse that is inscribed in a cuboid

Locus of centers of conics through four points by geometry

Why are elliptic/parabolic/hyperbolic PDEs called "elliptic"/"parabolic"/"hyperbolic"?

Super conic sections?

Finding the equation of a rational function or a conic section given three points

Hyperbola / Rotated Hyperbola Intersection

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