已知集合
,从
中任选两个角,其正弦值相等的概率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debe210c15ba75fae4e28511e76c968c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-05-17 10:12:19
|
相似题推荐
单选题
|
较易
(0.85)
解题方法
【推荐1】当
时,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef001eeef468ca21ac0cbb23fd135657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f961b5069adb6ff1e7986785ad5287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a2100c643d8a23797a566648717313.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】若角
的终边上有一点
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dc9bc060ce63bee270bd25692a1ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d92ec5d07e8e1ecf88ba1801486de69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】2021年12月1日,国家发展改革委印发《沪苏浙城市结对合作帮扶皖北城市实施方案》.沪苏浙城市(城区)将与我省部分地市开展“一对一”结对合作帮扶.现有上海市A,B,C三个区,若分别随机结对帮扶皖北D,E,F三座城市,则A区恰好帮扶D市的概率是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
解题方法
【推荐2】在这个热“晴”似火的
月,多地持续高温,某市气象局将发布高温橙色预警信号(高温橙色预警标准为
小时内最高气温将升至
摄氏度以上),在今后的
天中,每一天最高气温
摄氏度以上的概率是
.某人用计算机生成了
组随机数,结果如下,若用
表示高温橙色预警,用
表示非高温橙色预警,则今后的
天中恰有
天发布高温橙色预警信号的概率估计是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31974740270614e69acb5649245c6f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebbcdea84e6bf0f6945e4f9a4fcf54b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ef6dedbfabd5ad92b5f46c683e27a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8946a2ba56bbd94deb1907e1887a1b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e60fbe6820130fb20abc555a94b5ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb0295015d3e43917b6e72ab75689b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb0295015d3e43917b6e72ab75689b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f44afd045c047c39b365a800b58793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdb9af2ce83391d9527f28c7075a3cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31974740270614e69acb5649245c6f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebbcdea84e6bf0f6945e4f9a4fcf54b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ef6dedbfabd5ad92b5f46c683e27a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8946a2ba56bbd94deb1907e1887a1b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次