1 . 已知
,
.
(1)求
,
的值;
(2)求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d3dad095027475b0d53fb7f4e7cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5c9dd749202f50f605cc804bedbe1f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14f0e92fa8665fb14d8843981319715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ba9745c01bcc7c3b62a4ee6dd60a3a.png)
您最近一年使用:0次
2 . 已知角
的终边过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c2041d696177bb7c4469137681fc78.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c2041d696177bb7c4469137681fc78.png)
您最近一年使用:0次
名校
解题方法
3 . 已知0<α<
,sinα=
.
(1)求tanα的值;
(2)求cos(2
)的值;
(3)若0<β<
且cos(α+β)=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
,求sinβ的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
(1)求tanα的值;
(2)求cos(2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728f6139e519fb0578548516d6fb83b0.png)
(3)若0<β<
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
您最近一年使用:0次
2021-10-11更新
|
679次组卷
|
9卷引用:【区级联考】天津市滨海新区2018-2019学年高一上学期期末检测数学试题
【区级联考】天津市滨海新区2018-2019学年高一上学期期末检测数学试题天津市和平区第一中学2019-2020学年高一上学期期末数学试题广东省深圳市龙岗区2019-2020学年高一上学期期末数学试题(已下线)天津市红桥区2022-2023学年高二下学期期末数学试题天津市红桥区2022-2023学年高二下学期期末数学试题(已下线)第10章 三角恒等变换(提高卷)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)河北专版 学业水平测试 专题五 三角函数甘肃省白银市等二地白银市实验中学等二校2023届高三上学期期中联考数学试题福建省莆田市五校联考2024届高三上学期期中数学试题
名校
解题方法
4 . 已知角
是第四象限角,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6782eb4d6621dbe7cd53a4060cac73c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
您最近一年使用:0次
2021-01-12更新
|
2041次组卷
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4卷引用:天津市滨海新区塘沽第十三中学2022-2023学年高一上学期期末数学试题
名校
5 . 已知
,
,则
的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf7bf3192755667df35fcbdf5324286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-06-21更新
|
1468次组卷
|
4卷引用:天津市滨海新区塘沽第十三中学2022-2023学年高一上学期期末数学试题