名校
解题方法
1 . 已知
为锐角,
,
.
(1)求
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f8783429be686df75afcd56e847dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710be94194896bce781527e733acb362.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d75442a901f013aeb5c52a7113ae9b9.png)
您最近一年使用:0次
2019-08-20更新
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580次组卷
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2卷引用:新疆昌吉回族自治州第二中学2022-2023学年高一上学期期末考试数学试题
2 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff35f868ac0388a82af7dd7a97df0d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228cb036f045c2a57cc21e8ed79f19c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff35f868ac0388a82af7dd7a97df0d03.png)
A.7 | B.![]() | C.-7 | D.![]() |
您最近一年使用:0次
2019-05-12更新
|
607次组卷
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6卷引用:新疆维吾尔自治区2023年普通高中学业水平考试数学模拟试卷(四)