名校
解题方法
1 . 在空间直角坐标系
中,经过点
,且法向量为
的平面方程为
,经过点
且一个方向向量为
的直线
方程为
.已知:在空间直角坐标系
中,平面
的方程为
,经过
的直线
方程为
,则直线
与平面
所成角的正弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6ecde2c3f19014078b41eeb6dab850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed231b278e3459b0b79f9b09d993684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abf65976b71b4d347879bb265dfda0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f623a7f5c314baf4bca9825019a3f90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed231b278e3459b0b79f9b09d993684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6583322ba743695f5cdff69df640b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c11789b473e61f9a17eafea36d1a531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6ecde2c3f19014078b41eeb6dab850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bc37b0b89b59bf2a36389049c5fb05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/490068c5b3faad29cb9e12021ba35596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a5daa33ed24f9820eed5c7814b8ee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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