Question

Tangents from a point to two given circles that form equal angles with a line passing through that point

score 76 · Answer 1 · 2026-03-27 18:57:00

76

Views

Tangents from a point to two given circles that form equal angles with a line passing through that point

Published on 27 Mar 2026 - 18:57

score 48 · Answer 2 · 2026-03-27 18:48:38

48

Views

Constructing a Circular Sector Between Two Concentric Circles with Specific Tangent and Perpendicular Condition

Published on 27 Mar 2026 - 18:48

score 51 · Answer 3 · 2023-07-25 12:23:07

$\mathbf{r}(t):=(t^3,t^7)$. I want to say $(1,0)$ is the unit tangent vector to the curve defined by $\mathbf{r}$ at $\mathbf{0}$. Why bad?

score 348 · Answer 4 · 2023-07-26 17:34:26

348

Views

Does an undefined derivative always mean a vertical tangent line, and why do we define a tangent line when the derivative is undefined?

Published on 26 Jul 2023 - 17:34

score 83 · Answer 5 · 2023-07-30 16:18:18

83

Views

How do we know that the derivative number is actually the slope of the tangent line ( to the graph of a given function)?

Published on 30 Jul 2023 - 16:18

score 84 · Answer 6 · 2023-08-13 09:20:11

84

Views

Consider the curves $C_1: x^2y^2-a^2(x^2+y^2)=0, C_2: xy=a^2, C_3: x^2+y^2=a^2(a≠0).$ Count the number of points & tangents common to all three curves

Published on 13 Aug 2023 - 9:20

score 112 · Answer 7 · 2023-08-17 04:45:18

112

Views

Find points on internally tangent circle

Published on 17 Aug 2023 - 4:45

score 72 · Answer 8 · 2026-03-25 15:47:10

72

Views

Finding common tangent lines of two circle in spherical surface

Published on 25 Mar 2026 - 15:47

score 16 · Answer 9 · 2023-08-28 22:50:00

16

Views

The adjacent of the tangent line equal to one (Unit circle)

Published on 28 Aug 2023 - 22:50

score 128 · Answer 10 · 2023-08-30 16:02:45

128

Views

8 planes tangent 3 spheres in the space

Published on 30 Aug 2023 - 16:02

score 65 · Answer 11 · 2023-09-02 05:09:21

65

Views

Is this method applicable in all such geometry questions?

Published on 02 Sep 2023 - 5:09

score 55 · Answer 12 · 2023-09-02 16:28:53

55

Views

If the length $BC=l$, length of arc $AB=l_1$ and length of arc $AC=l_2$, then $l+l_1+l_2=$

Published on 02 Sep 2023 - 16:28

score 71 · Answer 13 · 2023-09-08 19:18:46

71

Views

How to find the tangent lines of a parabola which must pass through a point without calculus.

Published on 08 Sep 2023 - 19:18

score 31 · Answer 14 · 2026-03-27 11:48:08

31

Views

Are the tangent lines at the farthest-separated points on a closed plane curve always parallel?

Published on 27 Mar 2026 - 11:48

score 46 · Answer 15 · 2023-09-12 07:14:07

46

Views

AB is an external tangent to $S_1$ at A and to $S_2$ at B and common tangent at P cuts AB at Q.

Published on 12 Sep 2023 - 7:14

List Question

Tangents from a point to two given circles that form equal angles with a line passing through that point

Constructing a Circular Sector Between Two Concentric Circles with Specific Tangent and Perpendicular Condition

$\mathbf{r}(t):=(t^3,t^7)$. I want to say $(1,0)$ is the unit tangent vector to the curve defined by $\mathbf{r}$ at $\mathbf{0}$. Why bad?

Does an undefined derivative always mean a vertical tangent line, and why do we define a tangent line when the derivative is undefined?

How do we know that the derivative number is actually the slope of the tangent line ( to the graph of a given function)?

Consider the curves $C_1: x^2y^2-a^2(x^2+y^2)=0, C_2: xy=a^2, C_3: x^2+y^2=a^2(a≠0).$ Count the number of points & tangents common to all three curves

Find points on internally tangent circle

Finding common tangent lines of two circle in spherical surface

The adjacent of the tangent line equal to one (Unit circle)

8 planes tangent 3 spheres in the space

Is this method applicable in all such geometry questions?

If the length $BC=l$, length of arc $AB=l_1$ and length of arc $AC=l_2$, then $l+l_1+l_2=$

How to find the tangent lines of a parabola which must pass through a point without calculus.

Are the tangent lines at the farthest-separated points on a closed plane curve always parallel?

AB is an external tangent to $S_1$ at A and to $S_2$ at B and common tangent at P cuts AB at Q.

Trending Questions

Popular # Hahtags

Popular Questions