名校
解题方法
1 . 已知
为第二象限角,且
.
(Ⅰ)求
的值;
(Ⅱ)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249f8b8cdd8da45bfa7bd3cc4f5fb8fd.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15112d82b0eb93b7a9394cf0425e0023.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cafe2747dfe22e70f0e86f9d2812b7.png)
您最近一年使用:0次
解题方法
2 . 已知
是第二象限角,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a96a9ce4dfcca705d9fad7c6c09ca7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
您最近一年使用:0次
2019-01-29更新
|
910次组卷
|
3卷引用:【区级联考】北京市昌平区2018-2019学年高一第一学期期末数学试题
名校
3 . 在平面直角坐标系xOy中,角α与角β均以Ox为始边,它们的终边关于y轴对称. 若角α的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceff0e7d103475c3ba9a2712f373185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
您最近一年使用:0次
2018-01-25更新
|
509次组卷
|
5卷引用:北京市朝阳区2017-2018学年高一上学期期末质量检测数学试题
解题方法
4 . 已知
,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04ca22dba343e23584976deeedf071f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293221cbfa19ecc052ba1e251c307a0e.png)
您最近一年使用:0次
解题方法
5 . 已知角α的顶点在原点,始边与x轴的非负半轴重合,终边与单位圆相交于点
.
(Ⅰ)求
,
,
的值;
(Ⅱ)求
的值;
(Ⅲ)求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8256567ac75f1cb6b3742f914247518.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0abf63ba6fc3bfe7fe8c0c5cac2376.png)
(Ⅲ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a8f945ca261d50888276d340da4381.png)
您最近一年使用:0次