1 . 已知点
到点
和点
的距离之和为4,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
A.有最大值1 | B.有最大值4 | C.有最小值1 | D.有最小值![]() |
您最近一年使用:0次
2022-12-08更新
|
510次组卷
|
2卷引用:河南省开封市2023届高三第一次模拟考试理科数学试题
名校
解题方法
2 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2854fb748ca76507dba6e1b17130a3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab78e84fd1a54afb954a03bae8ac065.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-12-05更新
|
504次组卷
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2卷引用:河南省郑州外国语学校2022-2023学年高三上学期名校联考备考卷文科数学试题
解题方法
3 . 在
中,内角A,B,C所对的边分别是a,b,c,且
.
(1)求角A的大小;
(2)若
,点D是BC的中点,求AD的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf155b833ef124089f9668dfd62ec3e.png)
(1)求角A的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b117c0e2c7a70c00ad56675598f77f.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,角
,
,
的对边分别为
,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/40e67a6b-d7fa-4dbf-a3bc-3b2d6257a5b5.png?resizew=142)
(1)求
;
(2)如图,若
为
外一点,且
,
,
,
,求
.并求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/f7097d13f87070d20b9cc31aba630f66.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/40e67a6b-d7fa-4dbf-a3bc-3b2d6257a5b5.png?resizew=142)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ee08a777d465c63eb7f3681cbd7edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395c8d0c2d490ffd4d6aadfb3517f9ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2022-11-23更新
|
881次组卷
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4卷引用:河南省新乡市第一中学2023届高三三轮冲刺能力测试第六测理科数学试题
河南省新乡市第一中学2023届高三三轮冲刺能力测试第六测理科数学试题天津市南开中学2022-2023学年高三上学期第二次月考数学试题(已下线)第08讲 正弦定理和余弦定理5种常见题型(2)天津市南开中学2023届高三上学期期中数学试题
解题方法
5 . 已知
是偶函数且在
上单调递增,则满足
的一个区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0c7dd96341f6d9c3670729e5e6543c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知函数
,当
时,
的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f88aaa2badff75ba9d5c20535553157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec5d200b561e4be52ccaaebdc3105d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-02更新
|
427次组卷
|
2卷引用:河南省洛平许济联考2022-2023学年高三上学期第一次质量检测理科数学试题
名校
解题方法
7 . 若
为第二象限角,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770729a859a23a2f3c1885cd3449d8fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076769ebe1afa5ccfe1abb42e66ab30c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-27更新
|
695次组卷
|
2卷引用:河南省豫南九校2022-2023学年高三上学期第二次联考理科数学试题
名校
解题方法
8 . 已知向量
,
,设
,
的夹角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda3f2bbb62d0e0abc140c174944aa89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66de249b7c29faff4f8ff786ba21d500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2930e3d72846688f8389ab8cf178e062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb33a9302c2945699fc9ac91d271b9f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-27更新
|
1344次组卷
|
6卷引用:河南省豫南九校2022-2023学年高三上学期第二次联考理科数学试题
9 . 在
中,内角A,B,C的对边分别为a,b,c,已知
.
(1)求
;
(2)若
,D为边AC上一点,且
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a4c83685e16862d1c6b40077e7da4e2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e563e032dfdef69b0f357060c27bd4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2998bf3c6bee76188d7544e3a81363f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6047234afd9fd8cacf85d1e27a93e779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424dd73a238dad799c9296e9ff829253.png)
您最近一年使用:0次
2022-10-10更新
|
2261次组卷
|
3卷引用:河南省濮阳市2022-2023学年高三上学期毕业班阶段性测(二)理科数学试题
解题方法
10 . 已知a,b,c分别为
的三个内角A,B,C的对边,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa435e756ef1c660ae2207831d03bb8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f97c431c2995aef4a513baa53751d6.png)
您最近一年使用:0次
2022-10-10更新
|
463次组卷
|
2卷引用:河南省濮阳市2022-2023学年高三上学期毕业班阶段性测(二)理科数学试题