名校
1 . 已知
,且
在第二象限,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d45c243d18b3c631dc5d7c950b7abe.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92852189b59df2d81484fa33ff0f9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d45c243d18b3c631dc5d7c950b7abe.png)
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2 . 已知
.
(1)求
的值;
(2)若
,
,且
,求角
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2619e412a74aac4faca212519cde947f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a71cedcb1633518c747037dd46db08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b184f8323a8324a7d49599feb29a5598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2024高一下·上海·专题练习
3 . 在平面直角坐标系
中,已知锐角
的终边与单位圆交点的纵坐标为
,锐角
的终边与单位圆交点的横坐标为
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69d166677557cadb3da32b4a7e152e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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名校
4 . 已知
为第二象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1e6929729f58afccce99b3ae8fe9c5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32eb02421d867d06df9628e7a4850f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1e6929729f58afccce99b3ae8fe9c5.png)
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名校
解题方法
5 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b80c0b20bda4151bc70ffd32ebd1401.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5274e164ef53aeac7da7d5327ebbc799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b80c0b20bda4151bc70ffd32ebd1401.png)
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名校
6 . 在
中,
,
,
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1ca6d381ca573077f690836c551eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c414f5e5749d2da96f8beb92370921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
7 . 已知顶点在原点的锐角
,始边在
轴的非负半轴,
,终边绕原点逆时针转过
后交单位圆于
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f8783429be686df75afcd56e847dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc141b4d5e0a5fb51a699bc63ba1d8e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
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名校
解题方法
9 . 已知
为钝角,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e8c744b281e2de059ad64015a6d7e6.png)
(1)求
的值
(2)求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e8c744b281e2de059ad64015a6d7e6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9252a4c0d14210f580094fbfcaf65cd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9da6f152a33ef475161c9e396647225.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2564d60c75ee81676e748474164267ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1ce72d88d211e733fd317f4c77b93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fed36a9711ee2f1c48db10420dc6ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9da6f152a33ef475161c9e396647225.png)
您最近一年使用:0次