For any point outside of a circle, is there ever only one tangent to the circle that passes through the point?
140923
For any point outside of a circle, is there ever only one tangent to the circle that passes through the point?
56151
Mental estimate for tangent of an angle (from $0$ to $90$ degrees)
115737
Tangent and Normal lines that pass through the origin
132911
Determining if there can be smooth closed geodesic given its curvature
118048
Can a function with just one point in its domain be continuous?
149451
For what $n$ does a hyperbolic regular $n$-gon exist around a circle?
76001
Construct a fourth circle tangent to 3 circles forming a tangency chain
33130
$f$ differentiable except in $1$ point
48130
Why limits give us the exact value of the slope of the tangent line?
63074
The equation of a family of circles passing through two given points
19491
How to draw a tangent line to an arbitrary `\addplot`
116129
Is a permanent teleportation circle only a destination, and not a point of departure?
60811
How to find the equation of a line, tangent to a circle, that passes through a given external point
15690
Is a function defined at a single point continuous?
110472
Existence of a Pivot Point in Euclidean Geometry
85111
Move a rectangle along the tangent of a circle point
71861
Circles and tangents and circumcircles