1 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0943a0e66c9350a2edf62c7d21cde805.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0943a0e66c9350a2edf62c7d21cde805.png)
您最近一年使用:0次
名校
解题方法
2 . 已知角
的终边经过点
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b893221ec814d1e430945e0fd3c6f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1098ca7602ae66ee35e1028419d8871a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
2023-02-21更新
|
763次组卷
|
2卷引用:安徽省宣城市2022-2023学年高一上学期期末数学试题
名校
解题方法
3 . 已知
为角
终边上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a9cf263621dbda857db17cfe36ac97.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e23b74ed51912d236727c0ee5e3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a9cf263621dbda857db17cfe36ac97.png)
您最近一年使用:0次
2022-02-04更新
|
807次组卷
|
2卷引用:安徽省宣城市2021-2022学年高一上学期期末数学试题
4 . 已知
中,
为
的中点,
,
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3274aac77f61dc25ab33cf0351b3810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc327192b90460f8845ef81229422784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf3d14eb32760482c383221784ee3f3.png)
您最近一年使用:0次