Determine the equation of the tangent to a curve at a point.
10309
Find the equation of the tangent line to the curve at the given point. $y = 1+2x-x^3$ at $(1,2)$
57473
how to find a point in the path of a line
71128
Is the tangent function (like in trig) and tangent lines the same?
62104
Characteristics of parallel parabola (offset curve) and the formula to find the equation
143259
Find the condition on $a$ and $b$ so that the two tangents drawn to the parabola $y^2=4ax$ from a point are normals to the parabola $x^2=4by$
147206
Find a unit tangent vector to a curve that is an intersection of two surfaces.
121084
Right triangles and tangent lines
70991
Find the equation of the plane knowing that it passes through 3 points
53152
Find a circle's radius with three known tangent lines
131315
What geometric object is given by this equation?
60811
How to find the equation of a line, tangent to a circle, that passes through a given external point
19491
How to draw a tangent line to an arbitrary `\addplot`
142122
Finding equation of the parabola from tangent information
144901
Tangent to a circle through a point
115737
Tangent and Normal lines that pass through the origin
129855
How to find root of derivative of any polynomial/equation?
58725
how to maximize the slope in order to find the tangent line of hyperbola from a point?