真题
1 . 如图,在长方体
中,
分别是
、
的中点,
,
,
与平面
所成的角为
,求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/2022/9/14/3066302619492352/3066855039655936/STEM/c8c2735ebe90483dbd75dc7745fa8e4f.png?resizew=239)
您最近一年使用:0次
2022-09-15更新
|
349次组卷
|
2卷引用:沪教版(2020) 必修第三册 经典导学 第10章 单元检测
解题方法
2 . 已知点P为椭圆
上除长轴端点外任意一点,
、
分别为椭圆的左焦点与右焦点,求
的最大值,并求此时点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e78f1a9cc4dedc05c175ab99b288b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
您最近一年使用:0次
3 . 设
,则向量
与
的夹角为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab54cb2300e0cfbacf9464d6531f822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
4 . 设直线l的方程为
,倾斜角为
.
(1)试将
表示为
的函数;
(2)若
,求
的取值范围;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b831547294872e3566331126ca827c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)试将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d10079d449b0b4802adfa3b1b2e543c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f078cdb497a770baf3d50ad4e23ece82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
5 . 已知等腰
的顶点为
,
,底边
所在直线的方程是
,分别求两腰所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d65edc05562c2e22e85d450cdb41e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86b8513235bf21981e84618d8849b00.png)
您最近一年使用:0次
2022-09-07更新
|
79次组卷
|
2卷引用:沪教版(2020) 选修第一册 同步跟踪练习 第1章 1.3~1.4阶段综合训练
6 . 直线
(
为常数,且
),则直线倾斜角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
________ (结果用反正切表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cff0bbf16b63e3ee0d68f2ab8f9236d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed37ee7432002cd0e0978b2012e184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
您最近一年使用:0次
7 . 如图,在四棱锥
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f022f201dbd14f38b45ca33d30c631e.png)
,底面
为正方形.记直线
与平面
所成的角为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/76465f92-3e86-4c66-8b74-52982ee84605.png?resizew=196)
(1)求证:平面
平面
;
(2)若二面角
的大小为
,求
的值;
(3)当
时,
、
中点为
,
,点
为线段
上的动点(包括端点),
,二面角
的大小记为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f022f201dbd14f38b45ca33d30c631e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea574e021151141d6a56e5fb8f70ca3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/76465f92-3e86-4c66-8b74-52982ee84605.png?resizew=196)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78307cd417504554a4e2276fe24d1162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5000fea066102e62cf2128ccbbd2b3e3.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fbfbab5bd0989259b00490ee118947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ad7d1e3fad77908415415d6b2a90f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4db9b82b67efe45a02fca32bfcf5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af2fa3f00743e79487e96b81b9e1290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24146db7088bd19886b14ad0d4c1d32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
2022-07-20更新
|
1305次组卷
|
2卷引用:辽宁省大连市2021-2022学年高一下学期期末数学试题
名校
8 . 已知直线
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cbbb2030b8a674bfbfc635f9cbae718.png)
(1)若
,求直线
、
的夹角
;
(2)设
交x轴于点A,交y轴于点B,
交x轴于点D,交y轴正半轴于点C,若
,且梯形ABCD的面积为
,求直线
在y轴上的截距.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2895c0affcb5a43c53f14d97211bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cbbb2030b8a674bfbfc635f9cbae718.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367e788c32187ae2cc97aaa24da1d40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
名校
9 . 在极坐标系中,点
到直线
的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d394c2920e1cdf20eaf6bc083b0a4964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a8390c8d3f0e736d87f3f10184b41f.png)
您最近一年使用:0次
名校
解题方法
10 . 已知向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e69cd1aedfc5de8485754b9b8a4668e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda586edf7e45e894780f4894ed27683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe4aa7751ac7cdaf57eeec30291d45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e69cd1aedfc5de8485754b9b8a4668e.png)
您最近一年使用:0次