1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d572725624b4bec509e78295279a5f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
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解题方法
2 . 若△ABC内角A,B,C所对的边分别为a,b,c,已知
,
,
,则
的值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b86d43790babcdbbdc03493ee70928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e563e032dfdef69b0f357060c27bd4.png)
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3 . 在
中,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33e8045277a342dbbaff481815bd532.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387c35a82675a36541ed8fc6833a20a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33e8045277a342dbbaff481815bd532.png)
您最近一年使用:0次
2019-01-09更新
|
380次组卷
|
3卷引用:山东省青岛市第五十八中学2023-2024学年高一上学期阶段性模块检测数学试题
名校
4 . 如图,已知点
和单位圆上半部分上的动点
.
,
.
![](https://img.xkw.com/dksih/QBM/2018/4/1/1914872329240576/1915972709007360/STEM/5a5ce7c2-fc53-4706-bced-b67f97427859.png?resizew=161)
(1)
点的坐标为______ (用
表示);
(2)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5324ed9b602a5e94fee251d0ed01c6.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0292579b244fb3cfe829c65ec19d6077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87278c97d1839a69da2423c8c3d2200.png)
![](https://img.xkw.com/dksih/QBM/2018/4/1/1914872329240576/1915972709007360/STEM/5a5ce7c2-fc53-4706-bced-b67f97427859.png?resizew=161)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa65613f4e9daa070118f113e037ea02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5324ed9b602a5e94fee251d0ed01c6.png)
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2018-04-03更新
|
573次组卷
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3卷引用:山东省沂水县第四中学2023-2024学年高一下学期4月阶段性质量检测数学试卷
解题方法
5 . 已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df48c99dca918d5a03171eff39acbaee.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e4f558115c2751fde6d403387b42a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80eb51230a67c3ef2d2f49a60ac104a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e077c134951be8db27ee90e16b36fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df48c99dca918d5a03171eff39acbaee.png)
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名校
6 . 已知
,则
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0eb2df16757d4e610f1f4e5407dc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df0dce13d51ae5e163aed8bbd6e2b89.png)
您最近一年使用:0次
2017-07-22更新
|
422次组卷
|
7卷引用:山东省淄博市高青县第一中学2023-2024学年高一下学期期中考试数学试题