名校
解题方法
1 . 已知
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106117b87235601633ac85a2393959fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1ac68aa01c4bfbeef78b366075ae3.png)
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2024-03-22更新
|
541次组卷
|
3卷引用:江苏省连云港高级中学2023-2024学年高一下学期第一次月考数学试题
江苏省连云港高级中学2023-2024学年高一下学期第一次月考数学试题江苏省镇江市实验高级中学2023-2024学年高一下学期5月月考数学试卷(已下线)4.3 二倍角的三角函数公式(1)-【帮课堂】(北师大版2019必修第二册)
2024高一下·江苏·专题练习
解题方法
2 . 若,则
( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知
,
,求
以及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da19f0d43a33b280c90491d999ce8227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de124189a312a3f27bd13d59aed70ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78911ec704e4b5c3f74e3a56fd51c69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd38f7fe530e277c73733ea998b737b.png)
您最近一年使用:0次
4 . 在平面直角坐标系
中,点
在角
的终边上.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b345fcbad3bce4e0f2f59d017349513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f900c515871948914940c9209a2c1f71.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4697c7c85847f757e3c3b2d587f752.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
为锐角,
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f8783429be686df75afcd56e847dfa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80453a4feb1ecff153db96030f354277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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2024-03-07更新
|
401次组卷
|
4卷引用:江苏省镇江市扬中市第二高级中学2023-2024学年高一下学期3月情况调研数学试题
江苏省镇江市扬中市第二高级中学2023-2024学年高一下学期3月情况调研数学试题浙江省丽水市2023-2024学年高一上学期1月期末教学质量监控数学试题(已下线)8.2.2两家和与差的正弦、正切-同步精品课堂(人教B版2019必修第三册)(已下线)模块一 专题4《 三角恒等变换》单元检测篇A基础卷
6 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374489b936dc8f0c36d7ec1192d2930d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab9421f27c8b201fbacb32e490235a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8640aafe54018ba013295b68e2946a7a.png)
A.![]() | B.![]() | C.4 | D.1 |
您最近一年使用:0次
7 . 已知
,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d650120ca83717218a1afc4dbbcfa52a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed53925cace8212e87a4d3bad6463718.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197b13413d706fee9ee08dda140a8886.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f798a9af75a091a8be0b71f2038260.png)
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2024-02-12更新
|
511次组卷
|
3卷引用:江苏省扬州市树人学校2023-2024学年高一下学期期中调研数学试卷
江苏省扬州市树人学校2023-2024学年高一下学期期中调研数学试卷河南省商丘市虞城县完全中学2023-2024学年高一上学期期末考试数学试题(已下线)专题05 三角恒等变换的8种常考题型归类-期末真题分类汇编(北师大版2019必修第二册)
8 . 已知
.
(1)化简函数
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a305615aa0446e17563f5e3105050a39.png)
(1)化简函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1736a9e73ed411468777f6a174ad197b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bb3b70b00ebe7a0c45bdd1426a02bb.png)
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2024-02-05更新
|
1338次组卷
|
6卷引用:江苏省东台市2023-2024学年高一上学期期末考试数学试题
解题方法
9 . 在
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff368d244114153f5ccb68022bb2c2d.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69aac8b6b16676c948ca2862a371186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff368d244114153f5ccb68022bb2c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
10 . 已知
,
,设
.
(1)若
,求
,
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7399fcd570d1de4057f2059759d18cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4c2a4806153e8a325dced62a258314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24429db2e34a47b617dbffb67f9bad1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e204a679c2ba796504ddb632092c859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7d8fb48d6c0d33ebad96313844b4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e6be03bb3e88657c2aa53d2902a4b3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394633c7ebf8852656a2952cad02904c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8d1864297b656f6793e9f32ca98199.png)
您最近一年使用:0次