名校
1 . 如图,某公园内有一块边长为2个单位的正方形区域
市民健身用地,为提高安全性,拟在点A处安装一个可转动的大型探照灯,其照射角
始终为
(其中
,
分别在边
,
上),则
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7023ec0f513c7d0ef86859a5ede54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5604d3e156df3e7ccca0ccec9c9d45.png)
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7日内更新
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134次组卷
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5卷引用:安徽省合肥市第一中学2023-2024学年高一下学期5月期中联考数学试题
安徽省合肥市第一中学2023-2024学年高一下学期5月期中联考数学试题(已下线)专题03 高一下期末考前必刷卷01(基础卷)-期末考点大串讲(人教A版2019必修第二册)(已下线)专题2 以平面向量数量积为背景的最值与范围问题【讲】(高一期末压轴专项)(已下线)专题03 平面向量的数量积常考题型归类-期末考点大串讲(人教B版2019必修第三册)江苏省前黄高级中学2024届高三下学期三模适应性考试数学试题
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解题方法
2 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c98ce1bd8a5ffe3e18b4033d4ade5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f836697b6e7daec4ab093779fff51923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
您最近一年使用:0次
真题
3 . 已知
为第一象限角,
为第三象限角,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed4e997f39b42b14e66de808562cd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d22d4624a11130c947cb4e32a06c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
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7日内更新
|
5894次组卷
|
4卷引用:2024年新课标全国Ⅱ卷数学真题
2024高三下·全国·专题练习
解题方法
4 . 正三棱锥
和正三棱锥
共底面
,这两个正三棱锥的所有顶点都在同一个球面上,点
和点
在平面ABC的异侧,这两个正三棱锥的侧面与底面
所成的角分别为
,则当
最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7edc2e23df190c35aafad93410a05b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474929dd8e89d9ce37448ae72b48d04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea16125a2b2462fc9a5d8e943c32cda.png)
您最近一年使用:0次
解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370d9a645c023a1279c6fb9daa3cacab.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89903d1a72df78bb58b1dd14ee94aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370d9a645c023a1279c6fb9daa3cacab.png)
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6 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2698e4a70b2c856ae6bd613a120b7ff.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ced5562c4279b976fe55ece5eb2a79a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d627a61252946b77b98feee907fe70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2698e4a70b2c856ae6bd613a120b7ff.png)
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7 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5262656b3496f13c2dd370da1d863e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e17665d4eab6c22bcd950136d52f622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c50a0367a96faa9a98569102161ace3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5262656b3496f13c2dd370da1d863e.png)
您最近一年使用:0次
名校
8 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b729f3bcad3527fd911eb71de25a64f9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04131553539cb21dc8be6da1cf982dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b729f3bcad3527fd911eb71de25a64f9.png)
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2024-05-08更新
|
541次组卷
|
4卷引用:辽宁省本溪市县级重点高中协作体2023-2024学年高一下学期期中考试数学试卷
辽宁省本溪市县级重点高中协作体2023-2024学年高一下学期期中考试数学试卷广东省四会中学、广信中学2023-2024学年高一下学期第二次月考数学试题(已下线)高一下期末考前押题卷02-期末考点大串讲(人教B版2019)广东省佛山市七校2023-2024学年高一下学期5月联考数学试卷
2024·全国·模拟预测
9 . 已知椭圆
:
与双曲线
有相同的左,右顶点A,B,过点A的直线l交
于点P,交
于点Q.若
为等边三角形,则双曲线
的虚轴长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811cdc6e776b3fc15228af63eb03b7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c495b8fd7f7bb21c177c9d50fbf6919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
2024高三下·全国·专题练习
解题方法
10 . 已知角
,
的顶点均为坐标原点,始边均与x轴的非负半轴重合,终边分别过点
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a09db9030f664ae36fd9035b94d9a1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f89b18f69812fb34fd1290e2f1b36aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a09db9030f664ae36fd9035b94d9a1.png)
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