History of Tutorial: Finding center of rotation from initial and final positions

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#9715 - 5 months ago kimilil kimilil cat:General Tutorials
#9614 - 5 months ago kimilil kimilil annotations and grammar Revert
#9613 - 5 months ago kimilil kimilil Revert
#9612 - 5 months ago kimilil kimilil Revert