计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bcd47325e38d7e3c184a8cef1117da.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bcd47325e38d7e3c184a8cef1117da.png)
17-18高三下·上海·开学考试 查看更多[1]
(已下线)【全国百强校】上海市华东师范大学第二附属中学2018届高三下学期开学考试数学试题
更新时间:2019-04-03 11:04:22
|
相似题推荐
填空题-单空题
|
容易
(0.94)
【推荐2】若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .(结果用反三角函数表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a72b293b1d75cf6de51df64e75b6855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
名校
【推荐1】已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085fe3857b97b95168b0a1820af9a942.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7935c2b090920256d2c01b2645d3867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a17491898e262bf44270327387e38ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085fe3857b97b95168b0a1820af9a942.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
名校
【推荐2】在
中,角
,
,
所对应的边分别为
,
,
,已知
,
,
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019eb94a6a2b38308811470d860e1a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb75557d217f59ef1f33e8da1ac0d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
您最近一年使用:0次