Show that T: R^3 -> R^3 defined by T(x,y,z) = (z,x,y) is a 120°
rotation about the line joining (0,0,0) and the point (1,1,1).
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我好窮啊，我好缺批幣啊
，你有摳摳ㄋㄟ
可憐可憐我吧，施捨一點吧
請到(P)LAY-->(P)AY-->(0)GIVE-->PttFund-->吧
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※ 發信站: 批踢踢實業坊(ptt.cc)
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