名校
解题方法
1 . 在
中,角A,B,C所对的边分别为a,b,c,若
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0bfc651177a2f1f3b74e1cc9b33430.png)
______ ;
面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a634f4a62ac7f702bd09b1f9d26397f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819c7a62f0c3f64f53370d19db912c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0bfc651177a2f1f3b74e1cc9b33430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2 . 已知正方体
的棱长为
,
为
的中点,
为
所在平面上一动点,
为
所在平面上一动点,且
平面
,则下列命题正确的是______________
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/a5c36a18-e9d3-4f07-8c88-a3a8523a8c41.png?resizew=157)
①若
与平面
所成的角为
,则点
的轨迹为圆
②若三棱柱
的表面积为定值,则点
的轨迹为椭圆
③若点
到直线
与直线
的距离相等,则点
的轨迹为抛物线
④若
与
所成的角为
,则点
的轨迹为双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ab6fd9972d6298ae91e81cb75189a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/a5c36a18-e9d3-4f07-8c88-a3a8523a8c41.png?resizew=157)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
②若三棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3650dbd33494476747a678d4038bf7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
③若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9932b14d1f7f381263281a50100c27b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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解题方法
3 . 在正方体
中,
,
,
分别是
,
,
的中点.给出下列四个推断:
平面
;②
平面
;
③
平面
;④平面
平面
,
其中推断正确的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f60d66204e1abc17bd01749f187f8050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cdc56590b42b154608b4cf19462fa0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f60d66204e1abc17bd01749f187f8050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cdc56590b42b154608b4cf19462fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de22059d7d80f24817235269e9bb1ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cdc56590b42b154608b4cf19462fa0.png)
其中推断正确的序号是
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2023-12-24更新
|
648次组卷
|
7卷引用:北京市海淀区北京交大附中2023-2024学年高二上学期12月月考数学试题
北京市海淀区北京交大附中2023-2024学年高二上学期12月月考数学试题(已下线)第10讲 8.5.3 平面与平面平行-【帮课堂】(人教A版2019必修第二册)(已下线)13.2.4 平面与平面的位置关系(2)-【帮课堂】(苏教版2019必修第二册)(已下线)8.5.2平面与平面平行(已下线)8.5.3 平面与平面平行【第一练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)11.3.3平面与平面平行-同步精品课堂(人教B版2019必修第四册)天津市新华中学2023-2024学年高一下学期随堂练习(2)(月考)数学试卷
名校
4 . 如图所示,在正方体
中,点
为边
上的动点,则下列直线中,始终与直线
异面的是______ .
②
③
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
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2023-12-24更新
|
314次组卷
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6卷引用:北京市海淀区北京交大附中2023-2024学年高二上学期12月月考数学试题
北京市海淀区北京交大附中2023-2024学年高二上学期12月月考数学试题(已下线)第11讲 8.6.1 直线与直线垂直-【帮课堂】(人教A版2019必修第二册)(已下线)第07讲 8.4.2 空间点、直线、平面之间的位置关系-【帮课堂】(人教A版2019必修第二册)(已下线)13.2.2 空间两条直线的位置关系-【帮课堂】(苏教版2019必修第二册)(已下线)11.3.1平行直线与异面直线-同步精品课堂(人教B版2019必修第四册)(已下线)专题05 立体几何初步(1)-期末考点大串讲(苏教版(2019))
5 . 已知函数
的图象的一条对称轴为直线
,
为函数
的导函数,函数
,给出以下结论:①直线
是
图象的一条对称轴;②
的最小正周期为
;③
的最大值为
;④点
是
图象的一个对称中心.则所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fbb78e43bf4bccd511e8542bfaf960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b538da8582fb32f6d40c6754bda8ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d784a708bec525ff445ec95b1b3fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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6 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3711ca5794347e85d34b4804d0899037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62210e7efbf14f31e3ff70d75ee9245b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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解题方法
7 . 函数
在
上的单调递减区间为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8662e94df07557b94f48c4fabe288ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
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8 . 角
化为弧度制等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
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9 . 若
,且
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e3b434ff0d4794a9e83d0c7752bb1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d71794c96975930371b113f38f338a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
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解题方法
10 . 设函数
,其中
.
①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e81166d3da75796b243ae7b5690e2c.png)
______ ;
②若函数
有两个零点,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4893ed3c794d8b7ce428a6c05c7c6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e81166d3da75796b243ae7b5690e2c.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff6447be6d6b71691c820af827cc016.png)
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