已知
,且
为第三象限角.
(1)求
,
的值;
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f331c3d96c5812a620e326373747eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397542bab422ddbfa490381cd2c00ca5.png)
19-20高一下·新疆哈密·期末 查看更多[3]
新疆哈密市第十五中学2019-2020学年高一下学期期末考试数学试题(已下线)专题5.3+诱导公式-2020-2021学年高一数学尖子生同步培优题典(人教A版2019必修第一册)(已下线)第03讲 诱导公式(考点讲解+分层训练)-2021-2022学年高一数学考点专项训练(人教A版2019必修第一册)
更新时间:2020-07-04 09:29:32
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知
,且
是第二象限角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a0bb9d47e4160f248a3a8fb2b45296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8436e7146e8ec2f28a6671bd71238b33.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知
.
求
的值;
求
的值;
若
是第三象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f593c83ebf74ca5f432ed344c260e811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b17ec9ed94b65721661cc3fc549e2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e25a409794d5e669885b03290c462e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐3】已知
为坐标原点,圆
与
轴的正半轴交于点
,与
轴的正半轴交于点
,圆
上的动点
位于
轴的上方.设向量
与
轴正方向的夹角为
.
(Ⅰ)若
,求
与
的夹角;
(Ⅱ)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f25834d8218c53cb975c2a2fe7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6799b234237333b0efa331d98f0374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8753dda5ab0a842191c49fb897253ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6799b234237333b0efa331d98f0374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a751d80622415f4946da6355591dda2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
您最近一年使用:0次
解答题-计算题
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适中
(0.65)
【推荐1】化简:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097b03906407393eb4d8dc4c44c9e8a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0518c8be9aa7f7ab14f04e9f0de519ac.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75ff415e16afc98e2a86b0bb3a749f3.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552dd0ec0fd08f1dd641e6f98f7389bc.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebe4cd5934c2c718e9f5dc9a5af53b4.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6fb4317fe53ea6583152f3a10faefb.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知
,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2dbe2ef7c41bd08014879197e0f863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8211eff22395caabb1e2101fe34457af.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9e50e65a42370a0725916de52c116.png)
您最近一年使用:0次