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This page will help you understand the concept of a cross product and how to calculate one. What is a cross product? The cross product is an operation between two vectors that returns a vector orthogonal to the two vectors. (In case you forgot orthogonal means that u v = 0). Formally, the cross product takes two input vectors u = u_{1}i + u_{2}j + u_{3}k and v = v_{1}i + v_{2}j + v_{3}k. It is defined to equal: What's special about a cross product? A cross product has six properties that can be useful in different situations.
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