1 .
在
上的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0950b2d2d1c67bc9cbbd1403720d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84ce07dcbbcf8e4b7f246649fb3f835.png)
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2 . 当x∈
时,方程
的解集是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33248aad4efe7b3e8569208e29e8219.png)
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21-22高一·湖南·课后作业
3 . 求适合下列条件的
的值(其中
).
(1)
;
(2)
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37440b57fe2ffc13f2a873e38f55d29b.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dc094ba3ed12be9a8892aa3a8b9185.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb2170fbf89630f3f3ece1dab5de743.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43183efe32be57d11b6cbc413e7599dc.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958dc01b864ae19d27e2c419b2199320.png)
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4 . 已知点
,其中
,且坐标原点O恰好为
的重心,判断
是否为定值,若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de2a7c6acbe0638690698f7792f8371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837f624fdf122875ed38c9f5584343fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbff84327e964f912a54032e76ccc9.png)
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2021-07-21更新
|
327次组卷
|
2卷引用:沪教版(2020) 必修第二册 同步跟踪练习 第8章 8.4.1 向量在几何中的简单应用
5 . 求下列三角方程的解集:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46293fa4cfe65c184075eeeffd04d73b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0f67b9b8641598fcdbff0709ed1c61.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958dc01b864ae19d27e2c419b2199320.png)
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6 . 方程
的解集为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794b75b25b6424ac7d16d1c152ad23e6.png)
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7 . 方程
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd35f95966dfa9ff5da038527548c5d.png)
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8 . 方程
上解的个数为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402fbf78e1ab512c618b57a8142c24be.png)
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9 . 求方程
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0246330d4094589b14917c61bb591676.png)
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20-21高一·全国·课后作业
10 . 已知定义在区间
上的函数
的图象关于直线
对称,当
时,函数
(
>0,
>0,
<
<
)的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/7b3f8eb7-5237-4455-900a-b35cdc63edab.png?resizew=194)
(1)求函数
在
上的表达式;
(2)求方程
的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ff70ff936d33c60e4185f7942fc388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c54f212fc8b30b78c3c9913081f8389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab2a2c065c5d3c31a1d1d00f7b72d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39dbd2197113172b7d591e6381de61c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/7b3f8eb7-5237-4455-900a-b35cdc63edab.png?resizew=194)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b604c99cf223bb7396faff50fb89f5.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163cd29378e14329483bf356831e858e.png)
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