# Perpendicular to both AA and BA is determined by the right.docx

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perpendicular to both AA and BA is determined by the right-hand rule: (Source: Modified from chortle.ccsu.edu/vectorlessons/vch12/rightHandRule.gif.) Properties: Rotational invariance: If both vectors are rotated by the same rotation R , then the result of the cross product is also rotated by R . Anticommutative: . Distributive: AA × ( B + C ) = A × B + AA × CA . Scalar multiplication: ( aAA ) × BA = a ( AA × BA Query: Why sin θ ??? ).