Magnitude of Difference of Two Vectors

Rarely Tested

Magnitude of Difference of Two Vectors

For vectors $$\vec a$$ and $$\vec b$$ with angle $$\theta$$ between them:

$$|\vec a-\vec b|=\sqrt{a^2+b^2-2ab\cos\theta}$$

Usage

- Used to calculate the magnitude of the difference between two vectors.

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