What is a dot product?

A·B = ax×bx + ay×by + az×bz. It measures how aligned two vectors are.

What is a cross product?

A×B gives a new vector perpendicular to both A and B. Only defined in 3D.

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What is a dot product?: A·B = ax×bx + ay×by + az×bz. It measures how aligned two vectors are.
What is a cross product?: A×B gives a new vector perpendicular to both A and B. Only defined in 3D.