Calculus 3: Vector Calculus in 2D (2 of 39) Vector and the Circle

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In this video I will explain the relationship of a vector and the circle (of radius R) that encompasses the vector. The relationship of the x- and y-component of the vector and the trigonometric functions of the sine and cosine.

Next video in the series can be seen at:
https://youtu.be/vS6Zd1zk_Js

Questions?

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