在四棱锥
中,四边形
为正方形,
,且
底面
,则向量
在平面
上的投影向量是 __ ,
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c6e4f94c57ddbd5fe10a2837e33cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4709f45dc9e6f3f7d7727e54cf481d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ce3def678a423556f32a396ba0b5d9.png)
2022高二·全国·专题练习 查看更多[1]
(已下线)专题1.1 空间向量及其运算(5类必考点)
更新时间:2022-07-22 14:28:44
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【知识点】 求空间向量的数量积
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