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    Mathematics A-Level

    unit vectors in 3D

    What unit vectors in 3D means in Mathematics A-Level, as defined for WJEC.

    Definition of unit vectors in 3D

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    Reference: WJEC

    A vector divided by its magnitude, written r̂ = r / |r|.
    WJEC · Vectors (A2 Unit 4: Applied Mathematics B) (study guide)

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