1. Equations of Tangent and Normal Lines

Use derivatives to find the slope of a curve at a point and write equations of tangent and normal lines. Connect derivative values to the geometric relationship between perpendicular tangent and normal lines.

Lecture Video

Applications of the Derivative Lecture 1- Equations of Tangent and Normal Lines

Additional Examples

Example of Finding Tangent and Normal Line Equations

Example of Finding the Tangent Line to a Parabola that is Parallel to a Given Line

Example of Finding Tangent and Normal Lines Using Implicit Differentiation

Example of Finding a Normal Line to an Ellipse