The cross product is another operation
that takes two vectors as operands.
The most important use of the cross product in
computer graphics is to find a vector perpendicular
to a plane.
Chapter Topics:
Cross product definition.
The right hand rule.
Cross product properties.
Computing the cross product with column matrices.
Determinant-like memory aid.
QUESTION 1:
(Review: ) How many vectors are needed to define a plane?