Unit vectors

Lecture

A vector is said to be single if its absolute value is one.
A vector is called an ort if its absolute value is equal to one and the direction coincides with the direction of the positive semi-axis. Unit vectors are denoted on the x axis - e (1; 0), and on the y axis - e (0; 1).

Any vector a (a1; a2) can be decomposed as:

Unit vectors

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Unit vectors

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Planometry

Terms: Planometry