Re email question
In the loaded file at: https://www.geogebra.org/ma... , the α, β, γ angles regulate the rotation of the points B ', B' ', B1'. By playing the animation, the points B ', B' ', B1', extremes of vectors u, v, w, rotate slightly and not the values given by the respective slider.
Note that γ° is the same as γ * pi / 180 -- that's why the rotation is so slow. Please remove the degree symbol from γ.
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