New posts in Tangent Line

What is the equation for an ellipse given 3 points and the tangent line at those points?

How can I find the equation of a circle given two points and a tangent line through one of the points?

Show that $\frac{1}{\sqrt{r_3}}=\frac{1}{\sqrt{r_1}}+\frac{1}{\sqrt{r_2}}$ for three mutually tangent circles, each tangent to a common line

Can a cubic function have two tangents at a single point?

Minimum operations to find tangent to circle

Find the exact values of m.

Why are there only two tangents to a hyperbola from a point, instead of four?

Problem with basic definition of a tangent line.

Prove for any positive real numbers $a,b,c$ $\frac{a^3}{a^2+ab+b^2}+\frac{b^3}{b^2+bc+c^2}+\frac{c^3}{c^2+ca+a^2} \geq \frac{a+b+c}{3}$