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Angle Between Two Lines
If direction vectors of two lines are $$\vec d_1$$ and $$\vec d_2$$:
$$\cos\theta=\frac{|\vec d_1\cdot\vec d_2|}{|\vec d_1||\vec d_2|}$$
Usage
- Used to find the acute angle between two lines.
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Angle Between Two Lines
If direction vectors of two lines are $$\vec d_1$$ and $$\vec d_2$$:
$$\cos\theta=\frac{|\vec d_1\cdot\vec d_2|}{|\vec d_1||\vec d_2|}$$
Usage
- Used to find the acute angle between two lines.
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