Conics concerning Hyperbola. Tangent of ends of focal chord on hyperbola meet at directrix
112382
Help with Conic: Hyperbola's chord of contact
150861
Intuition about degenerate conics
49845
For an ellipse with minor radius $b$, show that the product of distances from the foci to any tangent line is $b^2$
132070
A challenge on the parabola
151981
Tangent line of a convex function
134652
Prove that the perpendicular bisectors of the sides of a triangle meet at a point
148173
Find a tangent to two quadratic bezier curves
145559
Trigonometry problem on product of trig functions.
136204
Intersection of a function having increasing derivative with tangent line
62260
Rational Coordinates with two intersecting lines
142862
Intersection of an ellipsoid and plane in parametric form
153767
Singular points and tangent lines
118723
Finding the tangents common to two rotated ellipses?
137283
Is there geometric proof for the equation of hyperbola using only constant distance from two foci definition?
150255
Volume generated by lemniscate revolving about a tangent at the pole.
88616
Retraction of the Möbius strip to its boundary
131118
How to prove the midpoint of a chord is also the midpoint of the line segment defined by the points of intersection of other two chords with it?