Given the magnitude and angle how do you find the dot product of two vectors

The video tutorial covers the concept of the dot product of vectors, starting with the basic formula and moving on to an alternative formula involving the cosine of the angle between vectors. The teacher explains how to use this formula to solve for the dot product, providing an example calculation. The tutorial emphasizes understanding both the basic and alternative formulas for the dot product and how to apply them in different scenarios.

What new insight or understanding did you gain from this video?