解题方法
1 . 已知第二象限的角
,并且
.
(1)化简式子
并求值;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
(1)化简式子
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0740adfa5a48bd32fd46fbb2d37fb329.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbdbf1afe514ee8e968dc256ec43dd7f.png)
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2023-08-10更新
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2卷引用:贵州省遵义市正安县某校2022-2023学年高二下学期第一次月考数学试题
名校
解题方法
2 . 已知
,且
是第二象限角.
(1)求
,
的值;
(2)化简求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969b106918cf44777d177a0538da8cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86ce38a2e3b55294cd9ca16651b82bd.png)
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2023-07-11更新
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2卷引用:四川省乐山市沫若中学2023-2024学年高二上学期开学考试数学试题
3 . 已知点
(其中
)在角
的终边上,
,且
是第 象限角.从①一,②二,③三,④四,这四个选项中选择一个你认为恰当的选项填在上面的横线上,并据此解答以下问题:
(1)求
、
、
的值;
(2)在(1)的条件下化简并求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825ebbeddb398e8556585cddae41eea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae790e576c5d16c03551220bfeda41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)在(1)的条件下化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343b98c70ab11b8c84c016511c64e6c1.png)
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4 . 化简求值,设
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14c01b623617986789bb04e0cbd4e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b98e291a677bfa49b8ab2c8291f7129.png)
您最近一年使用:0次
名校
5 . 对于定义域为
的函数
,若存在实数
使得
对任意
恒成立,则称函数
具有
性质.
(1)判断函数
与
是否具有
性质,若具有
性质,请写出一个
的值,若不具有
性质,请说明理由;
(2)若函数
具有
性质,且当
时,
,解不等式
;
(3)已知函数
,对任意
,
恒成立,若由“
具有
性质”能推出“
恒等于
”,求正整数
的取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608ceff5d48b2a65a48910152750ba68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbde2170c24819edd47db617810bf47.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04e15196ce905f578e53b845242ee30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6da64d1686393e0ec9d4c6acfcf86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbde2170c24819edd47db617810bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbde2170c24819edd47db617810bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbde2170c24819edd47db617810bf47.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5d8bc28ee110a9540f383828b7d245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbea50b9ee9088ba9c3b474a893fc52b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ae489dfcc8fd3862b57feffa168d2e.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac47c1b6230edf33b5a1c76b75025de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c6e90b4ae31c5471829c269cc0d789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2022-06-25更新
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4卷引用:上海市交大附中2021-2022学年高二下学期期末数学试题