名校
解题方法
1 . 已知角
终边上一点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbdfecc9c61e22a29c06152a1415991b.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57f41842628a2f1138a9f0e7939fb20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbdfecc9c61e22a29c06152a1415991b.png)
您最近一年使用:0次
名校
解题方法
2 . 已知角
的始边为
轴的非负半轴,终边经过点
,则
( )
![](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/570a136ae27fe3ef6d3e0a4a1624486f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff965260797cba7cfb729ea9693aeb9e.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . (1)已知函数
且
图像过定点
,若角
的顶点在坐标原点,始边与
轴非负半轴重合,角
终边经过点
,求
的值.
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1099dc9cb2d3f5dc41b13552f60798aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2669290e687161adf12838bf8e621824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70cbb3d5713b416ae8e47ee247df880f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead013288414897048d326f716578e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
您最近一年使用:0次
解题方法
4 . 在平面直角坐标系
中,若角
的顶点为坐标原点,始边与
轴的非负半轴重合,终边经过点
,则
( )
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6713e578f58048662609393777ef98e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9cc8730ba8d4af8236ae3ed4b12cb0.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2024-02-24更新
|
408次组卷
|
3卷引用:陕西省渭南市永兴中学2023-2024学年高一下学期3月月考数学试卷
名校
解题方法
5 . (1)证明差角的余弦公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3effef09cfdcda367b53b782e5a62e5.png)
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3effef09cfdcda367b53b782e5a62e5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa30c57acfaec5dc4397040f4fd1552d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af11e5ea68f9bab650ee0fc6aa996165.png)
您最近一年使用:0次
名校
解题方法
6 . 已知角
的终边上一点
,且
(
为坐标原点),
(1)求
的值;
(2)若
有意义,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29136a777e7b10e0abfc31943b0969c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dbc6d62799aff09f6ecf9fc3e19d363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97a61610bc402ae88ea380172cd770a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24d605ad707ad0e76059d8a31f50d3.png)
您最近一年使用:0次
名校
解题方法
7 . 在平面直角坐标系xOy中,角
以坐标原点O为顶点,以x轴的非负半轴为始边,其终边经过点
,
,定义
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764fcc75806c3283a2713a60b544dece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd2b2f18e94f85af19561a81290ce2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb94bc65d6a7d27503ec4d291defe3f.png)
A.![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2023-12-18更新
|
307次组卷
|
3卷引用:陕西省西安市西安交通大学附属中学2023-2024学年高一上学期1月期末考试数学试题
解题方法
8 . 在平面直角坐标系
中,锐角
和钝角
的终边分别与单位圆交于
,
两点,且
,
两点的横坐标分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56cfd4b066749f724ea438ed424b9b0.png)
___________ .
![](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/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744cd8216f2335344934f142f0de9647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56cfd4b066749f724ea438ed424b9b0.png)
您最近一年使用:0次
9 . 我国古代数学家赵爽在注解《周髀算经》一书时介绍了“赵爽弦图”,它是由四个全等的直角三角形与一个小正方形拼成的大正方形如图所示,记直角三角形较小的锐角为α,大正方形的面积为
,小正方形的面积为
,若
,则
的值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c59a974aa034d7e878a2c26d156cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7b915277169254e670ea51b693b9fc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/a7f573f5-a3b2-442e-9b7d-a60c780c7548.png?resizew=130)
您最近一年使用:0次
2023-11-21更新
|
675次组卷
|
5卷引用:陕西省西安市西安交通大学附属中学2023-2024学年高一上学期1月期末考试数学试题
陕西省西安市西安交通大学附属中学2023-2024学年高一上学期1月期末考试数学试题福建省莆田第十中学2023-2024学年高三上学期期中考试数学试卷上海市静安区回民中学2024届高三上学期12月阶段性测试数学试题广东省江门市鹤山市第一中学2023-2024学年高一上学期期末复习数学试题(三角函数)(已下线)考点20 三角函数的数学文化 --2024届高考数学考点总动员【讲】
名校
10 . 直线
经过点
,且倾斜角为
,则实数
为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5230ca2a4b2557c0dd140e74bb9bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cde7aace5b888a1a1c26fb911e2f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次