如图,正方体
中,直线
和
所成角的大小为___________ ,直线
和平面
所成角的大小为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c4ad6c77a6459a37bc398ecd5e5253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a097e367a5df43295a28a2f16bdfe95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c4ad6c77a6459a37bc398ecd5e5253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17b77df072bd8e0be3b7ca26d25545b.png)
![](https://img.xkw.com/dksih/QBM/2018/6/25/1975123544522752/2009007113461761/STEM/31e184bd754c4c17aeae15e47f6e403e.png?resizew=186)
更新时间:2016-12-04 08:43:18
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【推荐1】已知“经过点
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