1 . 如图,在四棱锥
中,底面
是直角梯形,且
,
,平面
平面
.
平面
;
(2)若PD与平面
所成的角为30°,求平面
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea6a12f3706d0fd4ab17c199f64faaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70dd5ebefb8658a232271a5d457042a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若PD与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
您最近一年使用:0次
名校
2 . 如图,四棱锥
中,
,
,
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/b56995dd-f6ee-483b-a61e-7ec1dd4c9451.png?resizew=166)
(1)证明:
;
(2)若
,
是
的中点,求平面
与平面
夹角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0642d7f4f43b9d65aa8cb45157e6ef12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/b56995dd-f6ee-483b-a61e-7ec1dd4c9451.png?resizew=166)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e4b16c2c6c9bd089da78122e9d2511.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ece472b33e9c4be953068aa18724df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2730b513bd3359c3dfe6567e04f5ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
您最近一年使用:0次
2024-02-04更新
|
436次组卷
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2卷引用:四川省内江市威远中学校2024届高三下期第一次月考理科数学试题
名校
解题方法
3 . 如图,在多面体
中,四边形
为菱形,且∠ABC =60°,AE⊥平面 ABCD,AB =AE =2DF,AE
DF.
(1)证明:平面AEC⊥平面 CEF;
(2)求平面ABE 与平面CEF 夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc95979bae9d23db620020b080cf4d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/6abcacc9-4adb-4609-83ce-779cc56acadf.png?resizew=170)
(1)证明:平面AEC⊥平面 CEF;
(2)求平面ABE 与平面CEF 夹角的余弦值.
您最近一年使用:0次
2024-01-03更新
|
1554次组卷
|
3卷引用:四川省内江市第一中学2024届高三上学期1月月考数学(理)试题
名校
4 . 如图,在直三棱柱
中,
,
是
的中点,
.
(1)求证:若
为
中点,求证:
平面
;
(2)
点为
中点时,求二面角
余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bec963b2e3ec0068e76d9b11ae43e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd9cee81c306f956d44051ac90fdf10.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/14/f1af5c11-effa-417d-bb14-d92a3e4d2580.png?resizew=147)
(1)求证:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ea211a573491409cb60f9fbe9a65cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bca84ad86c648d3bb20c8909c8da3f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be305da91a50b3e4b504e1a645d20351.png)
您最近一年使用:0次
2023-08-13更新
|
198次组卷
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2卷引用:四川省内江市第六中学2023-2024学年高三上学期第一次月考理科数学试题
5 . 如图,扇形
的半径为
,圆心角
,点
为
上一点,
平面
且
,点
且
,
面
.
(1)求证:
平面
;
(2)求平面
与平面
所成二面角的正弦值的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208795e14dc3e232de8f370942fec2ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30eea764221d33d1e196647111762c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3643175b4e5ea91235a276a9ba9291c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c2b786c64e6a9ed2ec5670cde74f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08452588675f76da2f8d31387b3a8224.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/10/ae0f9e45-328b-4ab2-82b0-744e24695549.png?resizew=148)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6d39135a2f8472d66ea00eda3b13ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44cd09d9ad46264de4620c60370d49d.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83efd6afec2f73c52e4b027a12d9f817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08452588675f76da2f8d31387b3a8224.png)
您最近一年使用:0次
2023-07-08更新
|
389次组卷
|
2卷引用:四川省内江市2024届高三零模考试数学(理)试题
名校
6 . 在直角梯形
中,
,
,
,直角梯形
绕直角边
旋转一周得到如下图的圆台
,已知点
分别在线段
上,二面角
的大小为
.
(1)若
,
,
,证明:
平面
;
(2)若
,点
为
上的动点,点
为
的中点,求
与平面
所成最大角的正切值,并求此时二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee581a35a1906bb22d3c85f0347821c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad16665c5d47ce756cc2980423bf4b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f514087cda61f4e72fb4a709c03316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17230625e72d3a9c6d72ff61019ff61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9944f447c7635d82dee5d5eb26994dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb58df55d96d15e4d66a983964efaba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/6/b4e5e52f-f943-4c1f-80af-c7449e473146.png?resizew=170)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92723ed3e62865396c01531eba603a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31517a881a9e728adf27688b0fb6bcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b0adb655532ef12b711707e2b9e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e01739fdd26c48a30257999ce449ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5247cb4bcf395152043841f784722a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2403e37c7f9abc596ce2452e3722607.png)
您最近一年使用:0次
2023-06-02更新
|
1095次组卷
|
8卷引用:四川省内江市市中区神州天立高级中学2023届高三下学期高考模拟理科数学试题
名校
解题方法
7 . 如图,在四边形ABCP中,△ABC为边长为
的正三角形,CP=CA,将△ACP沿AC翻折,使点P到达
的位置,若平面
平面ABC,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/8586ca8b-6836-4c4e-9119-8e138d6ba0ab.png?resizew=302)
(1)求线段
的长;
(2)设M在线段
上,且满足
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b0255047b563fb5828ba05ea63049a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095457a1433e68cc63eebe0d0c218c2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/8586ca8b-6836-4c4e-9119-8e138d6ba0ab.png?resizew=302)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca15691dfea154b932004966f2fbca3.png)
(2)设M在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2c39a3d57d2de07a21550fe138ff77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f130391a5a487f90d45f8298a133c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4d818cdb553e6e71cf91dac1089257.png)
您最近一年使用:0次
2023-03-30更新
|
969次组卷
|
4卷引用:四川省内江市第六中学2023届高三下学期高考模拟数学(理科)热身训练(一)试卷
名校
解题方法
8 . 在
中,
,过点
作
,交线段
于点
(如图1),沿
将
折起,使
(如图2),点
分别为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/29/af1034bc-5ab5-4b98-9116-da4bc36f5d26.png?resizew=378)
(1)求证:
;
(2)在①图1中
,②图1中
,③图2中三棱锥
的体积最大.
这三个条件中任选一个,补充在下面问题中,再解答问题.
问题:已知__________,试在棱
上确定一点
,使得
,并求平面
与平面
的夹角的余弦值.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16770045e02c32c6b246f1e88c580647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1347b1707478d309af4287a00e852b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5889e1f093f2c35273d3132ef8434e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/29/af1034bc-5ab5-4b98-9116-da4bc36f5d26.png?resizew=378)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73038c8fab9ef31d42b3ee0631b3dd1c.png)
(2)在①图1中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e84ed4d1ef85e452a30c6b8f7981b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1371c97ec3d0ea7b3ef979f5538d330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
这三个条件中任选一个,补充在下面问题中,再解答问题.
问题:已知__________,试在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5448218bd8c5b4f4a3714e0b0292d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212a67f115d1cbe69f100b489babe5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f5ce42fe8ea626c297e3b2a2ab95149.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
2023-03-28更新
|
1238次组卷
|
6卷引用:四川省内江市2023届高三第三次模拟考试数学(理科)试题
四川省内江市2023届高三第三次模拟考试数学(理科)试题湖南省岳阳市2023届高三下学期二模数学试题(已下线)专题07立体几何的向量方法专题16空间向量与立体几何(解答题)(已下线)专题06 立体几何 第一讲 立体几何中的证明问题(分层练)宁夏银川一中2022-2023学年高二下学期期中考试数学(理)试题
名校
解题方法
9 . 四棱锥
中,底面ABCD是边长为2的菱形,侧面
底面
,
,
,
是BC的中点,点
在侧棱PC上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/11/dae9a4ea-b7cf-4480-88d8-78a4e0b73f92.png?resizew=302)
(1)若Q是PC的中点,求二面角
的余弦值;
(2)是否存在
,使
平面DEQ?若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ec435aa1401dbce7863b531bf2f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1328e05d150f86dbe18656662eaa8f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/11/dae9a4ea-b7cf-4480-88d8-78a4e0b73f92.png?resizew=302)
(1)若Q是PC的中点,求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3a1e5f3aa16fc4009b66f6d6ac64c5.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373f735f0f04d11f1951eaef1bb78b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46d11e82d212c5dd76dfc0bca0399e4.png)
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2022-07-10更新
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1280次组卷
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6卷引用:四川省内江市高中2023届零模考试数学理科试题
四川省内江市高中2023届零模考试数学理科试题(已下线)专题14 空间向量与立体几何(理科)-备战2023年高考数学母题题源解密(全国通用)四川省内江市2021-2022学年高二下学期期末数学(理)试题四川省内江市第六中学2022-2023学年高二下学期(创新班数学试题)入学考试试题(已下线)专题19 空间几何解答题(理科)-2(已下线)专题1.9 空间向量的应用-重难点题型精讲-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)
名校
10 . 如图,平面
平面
,
,
,
,
,
,
,平面
与平面
交于
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/13/a192bad9-2814-4ded-b5eb-4a18315834f4.png?resizew=253)
(1)求证:
;
(2)若
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5441d73845911db1993bf903c4d8700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5427b7b994b860628df3d6b7a07de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d00572a90232e08932317af2a53767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc7991ea17d54ff5f4445ac5699463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/13/a192bad9-2814-4ded-b5eb-4a18315834f4.png?resizew=253)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11e72609ba0fbefe03c9f24165cbf11.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9f10d4ebbc23dacfde5ac5854eed5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b6797e834bb430abf574c2f2b3c107.png)
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2022-08-11更新
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5卷引用:四川省隆昌市第一中学2022-2023学年高三上学期8月开学考试数学试题
四川省隆昌市第一中学2022-2023学年高三上学期8月开学考试数学试题北京市首师大附中2021届高三4月份高考数学模拟试题(已下线)1.4 空间向量的应用(精练)-2021-2022学年高二数学一隅三反系列(人教A版2019选择性必修第一册)2023版 北师大版(2019) 选修第一册 突围者 第三章 专项拓展训练1 空间直角坐标系的构建策略(已下线)第一章 空间向量与立体几何(A卷·知识通关练)(2)