1 . 化简下列各式(写出化简过程)
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ad1c5da41408b514b0a45dbf3197cf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8f9cfe98e968bd0bb1243a7350c554.png)
您最近一年使用:0次
2 . 求值:
(1)
;
(2)
+
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad726889dae84b1a85cf7d4f4861bfd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4290fc7c7fd2cab357650a46943875c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ff22f92d58ed85b08d25d9f4d3aec6.png)
您最近一年使用:0次
2016-12-04更新
|
795次组卷
|
2卷引用:2015-2016年湖南省衡阳县第一中学高一上学期期中考试数学试卷
解题方法
3 . 设集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a76ebf8ef181330c4daff5cfbcd760.png)
(1)化简集合
,并求当
时,
的真子集的个数.
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a76ebf8ef181330c4daff5cfbcd760.png)
(1)化简集合
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045139968/STEM/7567bf01cfeb491bae59ef7b6332506e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045139968/STEM/7385be3f2ceb475ab49dbaca922f14e4.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045139968/STEM/7567bf01cfeb491bae59ef7b6332506e.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045139968/STEM/615fdc1c772c464a86b1186e5c5d750e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045139968/STEM/d39ed86bf30a4710aced84affc86b4e7.png)
您最近一年使用:0次
12-13高一上·湖南株洲·期中
解题方法
4 . 已知
.
(1) 化简
;
(2) 若
是第三象限角,且
,求
的值;
(3) 若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5d67916a5c849b5f46afe3ac1be108.png)
(1) 化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
(2) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4812f16239d59dd69bb9a9c7685e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
(3) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e2faf28dd550fedb35601391a5286a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
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10-11高一下·甘肃张掖·期中
名校
5 . 已知
.
(1)化简
;
(2)若
是第三象限角,且
,求
的值;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2784c1dfaf859012ec988ef15649b3e4.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43059520f06c7c65adf10d7e14b30148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e2faf28dd550fedb35601391a5286a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
您最近一年使用:0次
2016-11-30更新
|
887次组卷
|
3卷引用:2010-2011年甘肃省张掖中学高一下学期期中考试数学
(已下线)2010-2011年甘肃省张掖中学高一下学期期中考试数学湖南省娄底市娄星区2020-2021学年高一下学期期中数学试题河南省洛阳市第三高级中学2022-2023学年高一下学期4月月考数学试题