1 . 已知
,且
为第二象限角
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4392098e2424269e2b27cb06c0c89ad.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2059020d411eed4194732d74ed95d906.png)
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2022-06-06更新
|
682次组卷
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2卷引用:陕西省延安北大培文学校2021-2022学年高一下学期第三次月考数学试题
2 . (1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60cb7244843f275ea7d9939bf9d17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15112d82b0eb93b7a9394cf0425e0023.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6070a9e2debcc7893330d6c72936351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578487d1b08a3ac0b8789032733da2eb.png)
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3 . 如图,一架飞机从
地飞往
地,两地相距
.飞行员为了避开某一区域的雷雨云层,从机场起飞以后,就沿与原来的飞行方向成
角的方向飞行,飞行到
地,再沿与原来的飞行方向成
角的方向继续飞行
到达终点.
![](https://img.xkw.com/dksih/QBM/2022/4/19/2961647841132544/2962703000379392/STEM/316affbb-c0c3-4f5b-b9a0-703ddce9dede.png?resizew=259)
(1)求
、
两地之间的距离;
(2)求
.
![](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/457ec07cbd57016c33cce229c434e133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27b6d7bcb9617b7bf2155cd8c72a649.png)
![](https://img.xkw.com/dksih/QBM/2022/4/19/2961647841132544/2962703000379392/STEM/316affbb-c0c3-4f5b-b9a0-703ddce9dede.png?resizew=259)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24d605ad707ad0e76059d8a31f50d3.png)
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2022-04-21更新
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2507次组卷
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10卷引用:陕西省咸阳中学2022-2023学年高二上学期期中理科数学试题
陕西省咸阳中学2022-2023学年高二上学期期中理科数学试题陕西省西安市周至县第六中学2022-2023学年高一下学期第一次月考数学试题广东省湛江市2022届高三二模数学试题河南省大联考2022届高三第三次模拟考试数学(理)试题山西省怀仁市大地中学高中部2021-2022学年高一下学期5月月考数学试题海南省中部六市县2022届高三模拟考试数学试题(已下线)专题15 解三角形及其应用(讲义)-2023年高考数学一轮复习精讲精练宝典(新高考专用)(已下线)考点09 解三角形-2-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)专题20 解三角形-1广东省2024年普通高中学业水平合格性考试考前冲刺数学试题二
4 . 1.已知角
的终边与单位圆交于点
.
(1)求出
,
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e7c6b1e8d06e439c1ede19f99286c8.png)
(1)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3cf163397383b365d5bba33304b843.png)
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2021-12-15更新
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1051次组卷
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2卷引用:陕西省汉中市西乡县2019-2020学年高一下学期期末模拟数学试题2
解题方法
5 . 已知
.
(1)化简
;
(2)若
是第四象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938a52015339a3a70f66c226e66dfe4d.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152a3885d85c0687039514cb3962b856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
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解题方法
6 . 已知
,求下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51474d91e540a475138571e8738de850.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13635c9ec527be1b9d970c7986c2e3b3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d2c758725480f1e199d681569a868e.png)
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7 . 已知
的内角
,
,
的对边分别为
,
,
,向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f545436e9d88d28218f56b4cd2499d1b.png)
(1)当
时,求
的值;
(2)当
时,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f545436e9d88d28218f56b4cd2499d1b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709c2193ce39f6ca27e75738ee32082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b0af4f33851007b2052508dd3790e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c748e1dfd615f3fb9d98156d0295b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131e9ec6b587e71fec7f02802e6f5bc5.png)
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2021-03-14更新
|
953次组卷
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4卷引用:陕西师范大学附属中学2022-2023学年高二上学期期末文科数学试题
陕西师范大学附属中学2022-2023学年高二上学期期末文科数学试题2020届江苏省南京市高三下学期5月模拟考试数学试题(已下线)第二章 解三角形(基础过关)-2020-2021学年高二数学单元测试定心卷(北师大版必修5)江苏省泰州市泰兴市第三高级中学虹桥校区2020-2021学年高一下学期期中数学试题
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解题方法
8 . 已知
.
(1)求α的其它三角函数的值;
(2)求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70de3e21cc1d75f377c7b37291d947da.png)
(1)求α的其它三角函数的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66e69ad4b12f7f2b2c9da8107106eb3.png)
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2020-12-22更新
|
185次组卷
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2卷引用:陕西省榆林市子洲中学2018-2019学年高一下学期第二次月考数学试题
解题方法
9 . (1)已知
,
,求
的值;
(2)已知
,求下列各式的值:
①
;
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fd36aeb83099c4644c076db691612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8681749c2c1df3d0cd373e968d4835.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762c47019faf722e0dcc9ab9d79d1979.png)
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解题方法
10 . (1)已知
,且
为第二象限角,求
,
的值.
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be48622152587d3be7c2e05fe66e0be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613ebf67f55d8f7751028ecd6b7a8d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fa977274c8a8f6cf901551a36b29ee.png)
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