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Slope of a Line in Normal Form
## Formula
For:
$$x\cos\alpha+y\sin\alpha=p$$
the slope is:
$$m=-\cot\alpha$$
## Usage
- Used to obtain the slope directly from the angle made by the normal.
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Slope of a Line in Normal Form
## Formula
For:
$$x\cos\alpha+y\sin\alpha=p$$
the slope is:
$$m=-\cot\alpha$$
## Usage
- Used to obtain the slope directly from the angle made by the normal.
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