名校
1 . 已知函数
在区间
有且仅有2个零点,则
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1c108e4b023b60bd98445e97e17921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230b59c53740bcdd3ceca2cd9f860a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
解题方法
2 . 费马点是指位于三角形内且到三角形三个顶点距离之和最小的点.当三角形三个内角都小于
时,费马点与三角形三个顶点的连线构成的三个角都为
.已知点
为
的费马点,角
所对的边分别为
,若
,
,
边上的中线长为
,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec3f79448524d6848be51fdd5c7a150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1b5305cb9b5a90c4f13bceaaee4fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734e4bdd3d2a5d489dd863b17687e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec85f29c0860b57a8f0cf8098c13a97e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f352a59a635e3f6570e350ca08de6af5.png)
您最近一年使用:0次
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5bc738415f0fd10f03838a65d2cae6.png)
,函数
的图象关于点
对称,且函数
图象上相邻最高点和最低点的距离为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5bc738415f0fd10f03838a65d2cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3731e4fe7dbd8899acb023f8647b71af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48c759683208fa7b46e31f8bf0beede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
您最近一年使用:0次
4 . 记
的内角
的对边分别为
,且
.角
的大小为______ .
![](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/091995fa8f3cf45cc4a0d1bc1682fcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
5 . 设函数
的部分图象如图所示,且满足
.则
的最小正周期为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3819a1dab9af4238e5846f2f30dd0824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30cc663c4d6943a2754c67346b41163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
您最近一年使用:0次
名校
6 . 如图,已知两座灯塔
和
与海洋观察站
的距离都等于
,灯塔
在观察站
的北偏东
的方向,灯塔
在观察站
的南偏东
的方向,则灯塔
与灯塔
间的距离为__________ (
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f971d44effe601c7244f7bcde43b863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5328421f88e455d62909e5166122633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb27086a9f9d5d3979dd47e1ec84ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f555f3cbe968094310f4ee675bf28fc7.png)
您最近一年使用:0次
解题方法
7 . 已知
中,角
所对的边分别为
,若
,且角
为钝角,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983e9240e850c2618a03c12ef65b32a4.png)
________________ ,
的取值范围是________________ .
![](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/1805bef114e6dca3cb833801cbe84f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983e9240e850c2618a03c12ef65b32a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc13df9d7aaf293ad8d050ee17e0df9.png)
您最近一年使用:0次
名校
解题方法
8 . 在
中,角
的对边分别为
,且
,则
的面积为__________ .
![](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/060097e412f35ed18ef30cace03ab2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-05-12更新
|
372次组卷
|
3卷引用:山东省实验中学2023-2024学年高一下学期4月期中考试数学试题
名校
9 . 在
中,
,
,
的外接圆为圆O,P为圆O上的点,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7578b53de65f7d7770ddc7e80a5e395e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f536964d96829a5d2d8e48c386877d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
您最近一年使用:0次
2024-04-22更新
|
1002次组卷
|
5卷引用:山东省济宁市第一中学2023-2024学年高一下学期5月期中测试数学试题
10 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40bc0232da44b52868ba66af5cdbb72a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78dc5ec4c14b2b745490eeb81458eca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5bdf074d9d3641ea50dec2520d7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40bc0232da44b52868ba66af5cdbb72a.png)
您最近一年使用:0次
2024-03-28更新
|
563次组卷
|
3卷引用:山东省济宁市兖州区2023-2024学年高一下学期期中质量检测数学试题