Unit vector, vector dot product, vector cross product, triple cross product, scalar triple product

Unit Vector. Any vector A can be represented by the magnitude of the vector |A| multiplied by its unit vector written as an

So A = |A| an.

A unit vector has the direction of the main vector is of unit magnitude. It is the ratio of vector itself by its magnitude.

Thus,the magnitude of a unit vector is one.

Scalar or Dot Product of Two Vectors:

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