1 . 化简下列各式并求值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13f9b03d913d17e2fe43678f98c7621.png)
(2)已知tanx=
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13f9b03d913d17e2fe43678f98c7621.png)
(2)已知tanx=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4114787c05d83af8f3e1021d1a76604c.png)
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2018-10-23更新
|
868次组卷
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2卷引用:河北省深州市长江中学2020届高三上学期期中数学(理)试题
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2 . (1)计算:
;
(2)解关于
的方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b739d5173535dc705974f8450d3df68.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13349e1663c90f899a4a9f45b68962f.png)
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2018-01-08更新
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677次组卷
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2卷引用:河北省衡水市枣强中学2017-2018学年高一上学期期中考试数学试题
3 . (1)计算:
:
(2)已知
是第三象限角,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb118b3e9eea26101f6f4ef353edd0e.png)
①求
的值;
②求
的值.
(3)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc5164bc5e5705e7fd6debfff1f20a7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb118b3e9eea26101f6f4ef353edd0e.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed77a5dce1b06476dd157de4866888d.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7daf2ff83cf61d47dcb30a7dd6f72c55.png)
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4 . 已知函数
是偶函数,且当
时,函数
的图像与函数
(
且
)的图像都恒过同一个定点.
(1)求
和
的值;
(2)设函数
,若方程
有且只有一个实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc732dd9b338e7274d853d5f107a7258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9430e2d30537b3b0f938ce27ab2ac46d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a22af3537a127bfe1c9d48e5fc9ad4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e770eb722e637cbe016b86610ecc4d.png)
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2023-02-14更新
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5卷引用:河北省衡水市第二中学2022-2023学年高一下学期期中数学试题
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5 . 已知函数
是偶函数.
(1)求
的解析式;
(2)设函数
,其中
,若方程
存在实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b8a974c18b39df7f514e2fa20f1c56.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9145262294d99cd52e74bec13ce58ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba6d46ff894edc73276e75753fb9e70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-04-17更新
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4卷引用:河北省石家庄市第二中学2020-2021学年高一下学期3月教学衔接测量数学试题