Angle of Normal with the Line
## Formula
If the line has inclination $$\theta$$ and its normal has inclination $$\alpha$$:
$$\alpha=\theta+\frac\pi2$$
## Usage
- Used to relate the direction of a line to the direction of its perpendicular.
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CAT Formulas
Straight Lines
Angle of Normal with the Line
Angle of Normal with the Line
## Formula
If the line has inclination $$\theta$$ and its normal has inclination $$\alpha$$:
$$\alpha=\theta+\frac\pi2$$
## Usage
- Used to relate the direction of a line to the direction of its perpendicular.
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