名校
解题方法
1 . 在
中,角A,
,
所对边分别为
,
,
,面积为S,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcfa59f8a51b70b59a52c5991238e99.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e0dccad2b6ac3fc1dc15405afb21a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcfa59f8a51b70b59a52c5991238e99.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
,不等式
恒成立,则实数m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd0f1e3e3b41948f1b3d287c4b0cb44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c04a078909fc853b7b5f2744c6102a.png)
您最近一年使用:0次
2022-05-03更新
|
1168次组卷
|
3卷引用:湖北省荆州市沙市中学2021-2022学年高一下学期期中数学试题
3 . 如图,为测量一个旗杆AB的高度,在C处测得杆顶的仰角为
,后退10 m到达D处测得杆顶的仰角为
,则旗杆的高度为______ m.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967147807670272/2968761058467840/STEM/4194a29090d4412baf21358f60b9d6dc.png?resizew=173)
您最近一年使用:0次
解题方法
4 . 如图,在扇形
中,
,半径
,P为弧
上异于A、B的一动点,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3dfcd8aff269dd5aba398816490c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33e5d0dbdd0f15854f0d7dd8b53058.png)
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962502880198656/2964382257733632/STEM/6f6a8d0d-132f-4953-8911-b1128d9a5407.png?resizew=132)
您最近一年使用:0次
名校
解题方法
5 . 已知
.若向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af99661e9f2373b008983aac88a02805.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0bd9436eb6cb255c2c9800ac01957d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af99661e9f2373b008983aac88a02805.png)
您最近一年使用:0次
2022-04-23更新
|
489次组卷
|
3卷引用:湖北省武汉市部分重点中学2021-2022学年高一下学期期中联考数学试题
名校
6 . 已知函数
的图象如图所示,则函数的单调递减区间为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff774f7cf605b171044f5e2514cb587.png)
![](https://img.xkw.com/dksih/QBM/2022/4/19/2961692789784576/2964179833552896/STEM/9e6aa006-7b1f-4eda-9c06-7cc8f8943e42.png?resizew=214)
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7 . 等腰三角形顶角的余弦值为
,那么这个三角形一底角的余弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
您最近一年使用:0次
8 . 将函数
的图象向右平行移动
个单位长度得到函数
的图象,若函数
在
上的值域为
,则实数m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2420183a3b885dd9eb6cd3196c4dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fde7e4b0dd121a4a42753ffbf5d228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499a8449e8bb253065463c23f3ff5860.png)
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解题方法
9 . 已知
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b9082ee8dab6c1e4e325c9db6b9f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1bf5fbc856ebe25e120ccac137420b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
您最近一年使用:0次
名校
10 . 已知函数
,
在区间
上有___________ 个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8508e12b9b3cc914358010f6fe1ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566e051baee553fafd0a1140ca51df68.png)
您最近一年使用:0次
2022-04-19更新
|
318次组卷
|
2卷引用:湖北省部分高中联考协作体2021-2022学年高一下学期期中数学试题