1 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c61c807ca580a58300ab5031467c9f.png)
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c61c807ca580a58300ab5031467c9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe178c80f9052acdea16d09c0592b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f6ae85ce576d858abc2fd4b7bdba9f.png)
您最近一年使用:0次
解题方法
2 . 已知
,非空集合
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9ba6e64bcdc3c4696b4ea54b3c0d52.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceac03b1f703d7666d91f1fc952cfad.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7bb05dc03c682e052bef3b7bb78c9d.png)
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3 . 在空间直角坐标系
中,
是直角三角形,三个顶点的坐标分别为
,
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcf072114cf530a18fee0a498315056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c372ba3087c0ef90e1401c605b2a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解题方法
4 . 已知
,求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e38b68ab587db386e505254fa8ffdae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7980e96d332aa0b4ed25c2dbff79b366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b8b77522dfc890b99f0a86a690de94.png)
您最近一年使用:0次
解题方法
5 . 如图,在长方体
中,
,
,
分别为线段
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/a55d89e1-4326-43a3-996d-e607f3412cbd.png?resizew=154)
(1)求直线
与
所成角的余弦值;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/a55d89e1-4326-43a3-996d-e607f3412cbd.png?resizew=154)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6261790c66cc71ee3898afabad0c09f4.png)
您最近一年使用:0次
2024-01-30更新
|
473次组卷
|
2卷引用:广东省广州市六区2023-2024学年高二上学期期末教学质量监测数学试题
解题方法
6 . 已知定义在
上的函数
满足
,
,且
.
(1)求
的值;
(2)判断
的奇偶性,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e876debd1fc7a6f1f458c757f6e9f681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bc9c32ab68ddb51b1a4196f50081f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2024-01-29更新
|
295次组卷
|
2卷引用:广东省珠海市大湾区2023-2024学年高一上学期1月期末联合考试数学试题
解题方法
7 . 已知集合
,集合
.
(1)当
时,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c5ca9904e0a3dae0bd86d3403db768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ff531bc88ddc0924f5112caab08edd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
名校
8 . 如图,在四棱锥中,平面
平面
,
,
,
,
,
.
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9104a1941e557a85fd1496bc2b9be297.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2024-01-26更新
|
1959次组卷
|
7卷引用:广东省茂名市2024届高三一模数学试题
广东省茂名市2024届高三一模数学试题江西省2024届高三上学期一轮总复习验收考试数学试题江西省上饶市六校2024届高三第一次联合考试(2月)数学试卷(已下线)第5讲:立体几何中的动态问题【练】安徽省阜阳市阜阳一中2023-2024学年高二下学期开学检测数学试题(已下线)高考数学冲刺押题卷01(2024新题型)(已下线)题型20 6类立体几何大题解题技巧
9 . 已知点
,
,
,直线
与
轴交于点
.
(1)求点
的坐标;
(2)求
的外接圆的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109a293cef44f23e86e22c1a4cfcbbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03add3189e2b3984c68146d0d95a963e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
名校
10 . 如图,有一块半径为R的扇形草地OMN,
,现要在其中圈出一块矩形场地ABCD作为儿童乐园使用,其中点A,B在弧MN上,且线段AB平行于线段MN.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/986f4e06-b114-4814-b181-c4405850f392.png?resizew=164)
(1)设
,用
分别表示AB和AD;
(2)当
为何值时,矩形场地ABCD的面积S最大?最大值为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28986ee88e684ebb6020d5f69047ccb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/986f4e06-b114-4814-b181-c4405850f392.png?resizew=164)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77fdb1d8b677af0a3c3ea5813ac0062b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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