名校
解题方法
1 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142ee1722bad61f146181530332a3462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c88c70860b904da27f62b13d999a880.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 若角
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed23036fc78b853e0b8cbc9b709e1903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3efda852d11ca79d22a446e91734fb12.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8367a1139bd931dc7b69d1a28e5bdd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f201f6e84279e80b85f394f4d930ed41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b97728ac4cab58767d457f2877806f4.png)
A.![]() | B.-7 | C.![]() | D.![]() |
您最近一年使用:0次
2020-08-07更新
|
251次组卷
|
4卷引用:黑龙江省绥化市第一中学2020-2021学年高一下学期第一次阶段考试数学试题
名校
解题方法
4 . 已知
,
,
,
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847faa5dc942ee7a8d0c3da0f521b06b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d589e032939e6135174eac55aa7ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcbdf5fa64af3bf2327ec24fc36887d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5eab50abde3da208af8e16dfafc68bf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2deee3250f8fdccd02b472670dd23653.png)
您最近一年使用:0次
2017-05-05更新
|
703次组卷
|
4卷引用:黑龙江省绥化市第一中学2020-2021学年高一上学期期末考试数学试题