The '''cross product''' (or vector product) of two [[vector|vectors]] in 3-space is itself a vector in 3-space and is written <math>\vec{a}\times \vec{b}</math>. The magnitude of the resulting vector is
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The '''cross product''' (or vector product) of two [[vector]]s in 3-space is itself a vector in 3-space and is written <math>\vec{a}\times \vec{b}</math>. The magnitude of the resulting vector is