In the Cartesian plane, two vectors are said to be perpendicular if the angle between them is 90°, while in Cartesian space, the norm of a vector is the square root of the vector dotted with itself.
In the Cartesian plane, two vectors are said to be perpendicular if the angle between them is 90°, while in Cartesian space, the norm of a vector is the square root of the vector dotted with itself.