Tangents are important for finding the instantaneous rate of change for a function at a point or a specific instant. However, we can also find the equation of a normal line. You will be using your knowledge of secants and tangents to create the equations of tangents and normals to a curve.

Things you should know after today

- what a tangent line is
- what a normal line is
- how to find the equation of a tangent to a curve at a point
- how to find the equation of a normal to curve at a point

Resources:

- Warmup 1.9
- Notes

Assignment

- p88 #23-27, 29, 31, 33, 35