解题方法
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75afceb135e4ac785f39844702563f32.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be11012bb2d675d96af6e59eb3997d31.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb39d16f689f98d20d2a4f518b9e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75afceb135e4ac785f39844702563f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be11012bb2d675d96af6e59eb3997d31.png)
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2 . 在
中,
所对的边分别为
若
,则
面积最大值为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832a6ae04b25ef0896bd607cdcda60ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac30c150d4b3c08c94e74b06323cec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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3 . 已知圆
和直线
相交于
,
两点,若射线
,
可由
轴正方向绕着原点
逆时针分别旋转
,
角得到,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f42457c945c02fd46fb018712e73171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3884b343d76a26b4b85b48987d7064.png)
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4 . 在
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebd05450aba4b97bda55136dce96aa6.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059abe94302669158bd499d876f02eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebd05450aba4b97bda55136dce96aa6.png)
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2022-11-04更新
|
704次组卷
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3卷引用:江苏省南通市海安市立发中学2022-2023学年高三上学期学情检测(二)数学试题
江苏省南通市海安市立发中学2022-2023学年高三上学期学情检测(二)数学试题江苏省徐州市第一中学2022-2023学年高一下学期月考数学试题(已下线)第02讲 三角恒等变换(九大题型)(讲义)-2
解题方法
5 . 在
中,
,
,
边上的中线长为
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271354d3cef30e69fda3a9dde46049b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50690dab38f4512eb72e18b7f86cf6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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6 . 函数
的最小正周期为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65433e45f02ad272e58f566d13fb030d.png)
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7 . 已知
,
分别为双曲线
的左,右焦点,过点
且斜率为1的直线
与双曲线
的右支交于
,
两点,若
是等腰三角形,则双曲线
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eb8a895a6122917c531afea1a83284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
8 . 在
中,已知
,
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdfc856e4c80a7995957ef4845346f4.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa3638653a94a02420f176d860e294e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33aa8aaab2075daf0f051e14cfc060ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7927d5327f51f1e3fab57d3b8447f42c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdfc856e4c80a7995957ef4845346f4.png)
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9 . 若函数
的最大值为
,则
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be0aaca26ee22c7cacac985067979ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
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2022-10-25更新
|
321次组卷
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2卷引用:江苏省宿迁市沭阳县建陵高级中学2022-2023学年高三上学期期中数学试题
11-12高三上·江苏无锡·期中
10 . 在
中,
,
,
,则
的外接圆半径R的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8933d1fc46da5c177f7c5d9afd77e296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0b4ec3990235ac5827e53d26dc09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbbcb5d6599570436b8e429981ca079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
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2022-10-24更新
|
361次组卷
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5卷引用:2011届江苏省无锡市辅仁高级中学高三上学期期中数学卷