名校
解题方法
1 . 如果
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c89dbd83b7245bbcefd19d4548526a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb8898d840443e228d34d94056f081e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c89dbd83b7245bbcefd19d4548526a.png)
您最近一年使用:0次
2023-12-22更新
|
726次组卷
|
3卷引用:云南省保山市B、C类学校2023-2024学年高一上学期第三次质量监测数学试题
云南省保山市B、C类学校2023-2024学年高一上学期第三次质量监测数学试题新疆和田地区皮山县高级中学2023-2024学年高一上学期期末数学试题(已下线)7.2.3同角三角函数的基本关系式-高一数学同步精品课堂(人教B版2019必修第三册)
名校
2 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6b1670b2b446ace5bc12d7385b8e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea6b2770142f41ca36610294fcc593d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fffbd9bb577b3e01a62fbffe11a3906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
您最近一年使用:0次
2023-11-28更新
|
1279次组卷
|
9卷引用:云南省曲靖市宣威市第六中学2023-2024学年高一上学期12月月考数学试题
云南省曲靖市宣威市第六中学2023-2024学年高一上学期12月月考数学试题(已下线)5.5 三角恒等变换-同步精品课堂(人教A版2019必修第一册)(已下线)5.5.1两角差的余弦公式(第1课时)(分层作业)-【上好课】(已下线)5.5 三角恒等变换(AB分层训练)-【冲刺满分】陕西省渭南市三贤中学2023-2024学年高三上学期第三次教学质量检测(11月)数学(理科)试题(已下线)专题05 三角函数公式及三角函数性质的综合应用 (1)-【寒假自学课】(人教A版2019)(已下线)专题08 两角和与差的三角函数-【寒假自学课】(苏教版2019)(已下线)广东省深圳中学2023-2024学年高一上学期期末考试数学试题(已下线)10.1 两角和与差的三角函数-【帮课堂】(苏教版2019必修第二册)
3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9814a737e13ebcc4d23d9ce651e058.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3920dc3975bdc68532e6683b4402ff80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9814a737e13ebcc4d23d9ce651e058.png)
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2023-09-27更新
|
394次组卷
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2卷引用:云南省曲靖市兴教学校2022-2023学年高一下学期4月月考数学试题
4 . 设向量
,
,
.
(1)若
与
垂直,求
的值;
(2)若
,求证:
∥
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9086ef95dc04bca3793495a8c3dd66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc2a5c27e4194597c8f166804a57665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98203c706e09cd887f7acbabf5bafe48.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992cdd575c0f5e38e4e78ce54b906115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c1f914da4657eca7865982b130b299.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84daf014c0913d770ce7ec2c7f5da4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
5 . (1)若
,求
的值.
(2)已知
为锐角,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c642bce3db9c0bb4dd6b5d486e9e42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9061adeb2a7f2f368e8ed6405b164f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc36f1850fb5308496d5a44dcb1bf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa92f6b546937d3be81df143b5bd2ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6802fa592c03ef7c4a8c03f3e8932f8f.png)
您最近一年使用:0次
解题方法
6 . 若
是第四象限的角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70de3e21cc1d75f377c7b37291d947da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
您最近一年使用:0次
解题方法
7 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2f8bf97951d77243553efcf08dd304.png)
(2)已知
是第三象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2f8bf97951d77243553efcf08dd304.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573924a20a89954937939d4e88d68e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0334f655f51ec1c8babdc2901c16672b.png)
您最近一年使用:0次
解题方法
8 . 已知
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dbe5bf4b98131998189a60cb7943233.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8aaf830ba8ed8a772923d908ee966e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ba9745c01bcc7c3b62a4ee6dd60a3a.png)
您最近一年使用:0次
解题方法
9 . 已知
是第二象限角,且
.
(1)求
值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c585e1fcab28977d486665237bc4701.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e279db1a3ff1d610d7acd95de7cc2f99.png)
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2023-07-31更新
|
188次组卷
|
2卷引用:云南省普洱市西盟佤族自治县第一中学2022-2023学年高一下学期4月份测试数学试题
解题方法
10 . 如图,角
的顶点与平面直角坐标系
的原点重合,始边与
轴的非负半轴重合,终边与单位圆交于点
,若点
的坐标为
(其中
).
(1)求
的值;
(2)若将
绕原点
按逆时针方向旋转45°,得到角
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32d85f28562ac5bc372a904a55ffd64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b170470d02c85c1be9a3faff5eca0de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/30/936ba710-1c7e-4cf6-a58a-4035f5a488d8.png?resizew=162)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
(2)若将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
您最近一年使用:0次