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已知正三棱柱ABC—A1B1C1的侧棱长与底面边长都相等,则直线AC1与侧面AB...

已知正三棱柱ABC—A1B1C1的侧棱长与底面边长都相等,则直线AC1与侧面ABB1A1所成角的正弦值等于                                                    (    )

       A.6ec8aac122bd4f6e                   B.6ec8aac122bd4f6e                  C.6ec8aac122bd4f6e                   D.6ec8aac122bd4f6e

 

A 【解析】略
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