I have two vectors:(adsbygoogle = window.adsbygoogle || []).push({});

f1 = (x1,y1,z1)

f2 = (x2,y2,z2)

The origins are placed together and they are of the same coordinate system.

They make a plane between the two vectors and the origin.

How do you find the angle between the two vector on that plane?

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# Planar angle between two vectors

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