名校
解题方法
1 . 如图,二面角
等于
,
是棱
上两点,
分别在半平面
内,
,
, 且
则
的长等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9f6f75005ab8e946e7195afaf44c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504b434a5d06fa23809a709fa42da886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf464ac1bfdd9bb59f9ab4d55ad2667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c638fb895acd987140d0ca6bef097499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0a2d7d40a6c0bf1fddb802db381689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cef00fc08e3ca1da8f78d7a742ee75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.4 | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 下列判断正确的是( )
A.若![]() ![]() |
B.![]() |
C.![]() ![]() |
D.角![]() ![]() ![]() |
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3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e94c6975473ff4709f9edb9e8c13020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
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解题方法
4 . 已知函数
.
(1)求函数的定义域;
(2)判断函数的奇偶性,并给予证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb402b4847c5bc1caec9ff83958d06c.png)
(1)求函数的定义域;
(2)判断函数的奇偶性,并给予证明.
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解题方法
5 . 已知函数
,且
.
(1)判断并证明函数
在其定义域上的奇偶性.
(2)求函数
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35fc4a430ac9cc0cc23a051d915c70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
(1)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28e45dd4cefbbbe59f349d3a251f895.png)
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解题方法
6 . 回答下面两题:
(1)化简求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2623ca2935d6bebbf873a68dbf81e4be.png)
(2)已知
,求
(1)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2623ca2935d6bebbf873a68dbf81e4be.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b021030a58baefb6ba50359530762d2b.png)
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7 .
的值等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be7a50080b8c50ad36475ff172f0e7d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知全集
,集合
,
,求:
(1)
,
;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a0a0fe8c665eff210d40fe265e2572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5de87c18384be8345fd8072c46e3640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7147daacbc2f8b2671af8a17e6d470.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
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名校
9 . 已知函数
.
(1)证明曲线
在
处的切线过原点;
(2)若
,讨论
的单调性;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47dd2852e029e5b030f26a5ad0543bb.png)
(1)证明曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
解题方法
10 . 若随机变量
,随机变量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d83ba67de5a70123c918d5d0417a41.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d659368db0342039f9c4045dd27281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf69ead406c8f5ebe073dac5d93803b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d83ba67de5a70123c918d5d0417a41.png)
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