1 . 欧拉公式
(i为虚数单位,
)是由瑞士著名数学家欧拉发现的,它将指数函数的定义域扩大到复数,建立了三角函数和指数函数之间的关系,它被誉为“数学中的天桥”.根据此公式可知,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f6c5f351af3d5275cfc45f947a9bef.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077d3127494e1bde3bfe6ab71e9974b5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfa007ea5744567c67bebd638bd5cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f6c5f351af3d5275cfc45f947a9bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077d3127494e1bde3bfe6ab71e9974b5.png)
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2 . 已知向量
,
满足
,且
,则向量
,
的夹角为______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498634e4ed9d425d5e619aa45d4b5366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c719ce746a77ce16aebd741e9b1383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
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2023-06-18更新
|
241次组卷
|
2卷引用:安徽省亳州市第二完全中学2023-2024学年高二上学期开学质量检测数学试卷
解题方法
3 . 空间两点
,
间的距离是__________ ,点
关于
面的对称点坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8273635a2a5db210a599f519d0b3b2b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec0d89b6f0458a443855bafd2699390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8273635a2a5db210a599f519d0b3b2b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
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4 . 已知
,函数
在![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__ 时,取得最小值为 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1305b9abebd7bef3171486df157286b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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5 . 在长方体
中,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc247c0395c78b71f147514839ac159f.png)
______ ;点C到平面
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50943279ee6f0299b3725eecd77bafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc247c0395c78b71f147514839ac159f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2f7554a52815bfa0f4d75221ba7397.png)
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2022-11-23更新
|
271次组卷
|
5卷引用:安徽省黄山市“八校联盟”2022-2023学年高二上学期11月期中考试数学试题
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6 . 从某城市随机抽取14台自动售货机,对其销售额进行统计,数据如下:8,8,10,12,22,23,20,23,32,34,31,34,42,43.则这14台自动售货机的销售额的第50%,80%分位数分别是_______ ,__________ .
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7 . 已知集合A={1,2,4,8},B={2,4,6},则A∪B=________ ,A∩B=________ .
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8 . 命题“大于2的自然数是不等式
的解”的否定为________ ;其否定为________ (填“真命题”或“假命题”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e17fa4fb20aa97af4ae82c27f753f1.png)
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9 . 比较下列各组正弦值的大小
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaf013a8185172f369d30ac49c2f112.png)
______ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9c69c35754bffaf138f99d578dcd20.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0b7edbaa43768c4e3d1443f0ca54a3.png)
______
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaf013a8185172f369d30ac49c2f112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9c69c35754bffaf138f99d578dcd20.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0b7edbaa43768c4e3d1443f0ca54a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a7c34d619d8f080becfc3c412c7417.png)
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10 . 已知两点
,
,
为坐标原点,点
在第二象限,且
,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd06225641622603ca4811a13d140d1a.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821a48d0acfebe2a2a6d80bfd5acc280.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e84430516b74b7857196f033636657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94438615778d57a6363a92be3679c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93faab1e0d2672ead811da88f10121b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd06225641622603ca4811a13d140d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821a48d0acfebe2a2a6d80bfd5acc280.png)
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