23-24高二上·上海·课后作业
1 . 根据下列方程,判定直线
与
的位置关系,若相交,求出夹角.
(1)
,
;
(2)
,
;
(3)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15d419ac2b9832ef6fb704d98790487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db191a381bcc131aad1216844cfe0fc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00b8eb5fee88a104b321d1c2d5c5b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0031a6f0727e81ec9966c95fb2a5eb12.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83342b9d257e062198077c2897e77dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5810390abd0a156828293ad5885442d8.png)
您最近一年使用:0次
2 . 求直线
的倾斜角.(用反三角正切值表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047af94fe520e6ec4f554eaa6b1df83e.png)
您最近一年使用:0次
23-24高二上·上海·课后作业
3 . 求经过下列两点的直线的斜率与倾斜角:
(1)
、
;
(2)
、
,其中
是常数.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63297c48d9a2dfecb249f101b571e0a4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3cf8a80a8c008e42d6a75ed61ebdc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
您最近一年使用:0次
14-15高二上·上海徐汇·期中
名校
解题方法
4 . 直角坐标系xOy中,点A坐标为(2,0),点B坐标为(4,3),点C坐标为(1,3),且
(t∈R).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/7c0c1482-5cb1-4cda-9f4b-c6ceb4ddb4c6.png?resizew=250)
(1) 若CM⊥AB,求t的值;
(2) 当0≤ t ≤1时,求直线CM的斜率k和倾斜角θ的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6111d3ee495ede3eada105f02038714f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/7c0c1482-5cb1-4cda-9f4b-c6ceb4ddb4c6.png?resizew=250)
(1) 若CM⊥AB,求t的值;
(2) 当0≤ t ≤1时,求直线CM的斜率k和倾斜角θ的取值范围.
您最近一年使用:0次