Скачать или смотреть How to Add Vectors (2/2) - Vector Components

Previously, we learned the basics of adding vectors and how to draw their sums. But drawing sometimes doesn’t cut it. Sometimes we need the exact numbers for the resultant vector. But before we can do this, we first need to learn vector components. This, coupled with trigonometry and the Pythagorean Theorem, will allow us to do vector additions with exact precision.

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