已知直线
,若直线
的倾斜角
,求实数
的取值范围________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06de0f3e336a048785f86c62ac1ffd72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36324a218b9298b078629f702e8adad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-10-06 22:23:12
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【推荐1】若直线
与直线
的夹角为
,则实数
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b027d1fd25691740b7e8079c67f00d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfc6b5b7ae63a330f0cd8593ee47338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】已知斜率为
的直线
的倾斜角为
,则
________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
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【推荐1】直线
:
与直线
:
在同一平面直角坐标系内的图象只可能是______ (填写正确的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d20d0a0f1dd904de3462d43b47384eb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/39b15f6d-f951-4542-b7fd-2cbb2cd81fb8.png?resizew=593)
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【推荐2】直线l1∶y=-2x+3,l2∶
的夹角的大小为_____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d92c0d98571811b20ce2e05d765505.png)
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