Find a line tangent to two points on a curve
89567
Common tangent to a curve
134477
Graphing a line from two coordinates
60811
How to find the equation of a line, tangent to a circle, that passes through a given external point
46496
What is the fastest way to add vertices to a curve at a specific point?
28582
How to find points of tangency on an ellipse?
4704
How to find an ellipse , given 2 passing points and the tangents at them?
26334
point on line to form angle
30742
Find the tangent lines to the graph of $x^2+4y^2 = 36$ that go through the point $P=(12,3)$
10686
Finding the equation of more than one tangent line
112314
On The Range Of The Tangent
46808
How to draw circle tangents and removing the inner lines?
119913
How do I find a point a given distance from another point along a line?
59431
slope of a line tangent through a point
146734
Find a second degree polynomial that goes through 3 points
101434
To find tangents to given circle from a point outside it
64363
Calculate and plot the tangent hyperplane to a function of three variables
155707
Plotting the sum of two points on an elliptic curve