已知在锐角
中,三个内角A、B、C的对边分别为a、b、c,
则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36ec31cfd615abfbee3ed2f4a1d8883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49386fb1d7557c1dc9956a4495e2ca9.png)
23-24高一下·浙江丽水·期中 查看更多[2]
更新时间:2024-05-26 22:38:33
|
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】已知圆锥的底面直径为1,母线长为1,过该圆锥的顶点作圆锥的截面,则截面面积的最大值为__________ .
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
在
上不是单调函数,且其图象完全位于直线
与
之间(不含边界),则
的一个取值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199fc1eb0897f0d666542dd3edb0f07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5428b040be21dcd503d350478c0a4773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc8e0a4e596e6b0a2f81e1f03fa0430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐1】已知函数
,则函数
的最小正周期是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3491fe6d666a09420fc23bd739d66f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】已知
,向量
,
,若
,则角
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882589c896c6993d9687f0e14a283481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42335c806448fe8a7606ccdb7b15d9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fe8d73761318d1666e92b82a15807a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a37c63c62d02718f7515098b9f850b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】在
中,内角
所对的边分别为
,已知
,
,
是
上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bed0049999726e62b5b3142bf924fd.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f9caf437daaf34d6075df028e9999a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff40647acc39fdcdcd5f3e19b29b103f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfaa5937bee8b8096359fef27ffe8c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2033c5a0c513b98dcb9bf7d04a88b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c77884451669c3e70550b014190294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bed0049999726e62b5b3142bf924fd.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】在
中,角
的对边分别是
,若
是锐角三角形且角
,则
的取值范围为______ .
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】已知数列
的前n项和为
,若
,不等式
对一切
恒成立,则实数
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fb24dfeed7c82b96aea08877a55486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e52c64229caf74466f30f5744fc55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】已知△
的边
的三等分点分别为
,
,若线段
上一点
满足:
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc3e8a1475b983d1a4295db0e16d4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65aefabe69bbad72aaaaa284cc6ac0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d422961715b7d4f3077263dc8692df1.png)
您最近一年使用:0次