# Tangents & Normals | Maths with Lemon

Source: https://mathswithlemon.io/ai-calculus-tangen%20normal.html


#### Tangents and Normals


##### What you have to know:

- Differentiate all the basic functions. (If not, check this lesson)
- The general form of a line. (If not, check this lesson)
- You must be able to manipulate exponential expressions. (If not, check this lesson)
- You must be able to manipulate logarithmic expressions. (If not, check this lesson)

##### Key Points

- 1. Watch the video:
- 2. Check out this presentation .

#### Old-school Style Explanation of a Tangent


##### What you have to know:

- How to calculate area.

##### Key Points

- 1. Watch the video:

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