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Say, we are given two vectors v1(1,2) and v2(2,1). Question - how to find an "oriented" angle in clockwise direction between the given vectors?

Note, the angle between v1 and v2 will be equal to (360-(the angle between v2 and v1))

Any suggestions will be highly appreciated. Thank you in advance.

PS: I know that one can use the dot product to find the "non-oriented" angle between vectors, but it doesn't really work in my case

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# Oriented angle between vectors

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