/sci/ - Science & Math » Thread #11214995

9KiB, 343x126, bandicam 2019-12-01 11-42-35-458.jpg

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heeeeeeeelp

sherllock Tue 10 Dec 15:44:47 2019 No.11214995 View Reply Original Report

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as shown the picture i need the demonstration of relation between the two angles of rotation
it's ? = 1/ tan(?/2)

? the rotation angle of the disk

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