名校
1 . 在
中,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e68ae89ff7deacb535687ca7b6fbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e888e289a0b7c50694698701aa2e87e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-05-26更新
|
1488次组卷
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5卷引用:邕衡金卷2023届高考第三次适应性考试文科数学试卷
邕衡金卷2023届高考第三次适应性考试文科数学试卷广西邕衡金卷2023届高三第三次适应性考试数学(理)试题(已下线)第02讲 正弦定理和余弦定理12种常见考法归类(4)吉林省长春市绿园区新解放学校2022-2023学年高一下学期期中数学试题(已下线)第04讲 解三角形(练习)
解题方法
2 . 已知圆锥
,底面的面积为
,母线与底面所成角的余弦值为
,点
在底面圆周上,当三棱锥
的体积最大时,圆锥的外接球的球心到平面
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b3a91ccf6028608cd03df7072f6536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/21/9a2b04b1-92b7-4d90-b7c3-10d6f92c4ade.png?resizew=160)
A.2 | B.![]() | C.![]() | D.![]() |
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2023-05-22更新
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513次组卷
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2卷引用:2023届高三信息押题卷(二)全国卷文科数学试题
2023·全国·模拟预测
名校
解题方法
3 . 在正三棱锥P-ABC中,D,E分别为侧棱PB,PC的中点,若
,且
,则三棱锥P-ABC外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151e948feebdf7b91fbe739feafa9bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7650cede07c4758a9b3bb1da4553acc5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-05-13更新
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384次组卷
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4卷引用:2023年高三5月大联考(全国乙卷)文科数学试题
(已下线)2023年高三5月大联考(全国乙卷)文科数学试题四川省双流棠湖中学2023-2024学年高三上学期10月月考理数试题四川省双流棠湖中学2023-2024学年高三上学期10月月考数学(文)试题山东省日照市五莲县第一中学2024届高三上学期11月月考数学试题
名校
解题方法
4 . 已知双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
的左,右焦点分别为
,
,
为坐标原点,过
作
的一条浙近线的垂线,垂足为
,且
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f311053d11884b1a21d5f9b5724996c6.png)
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abae1cf76ae1dc70ecb3811244942cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.2 | C.![]() | D.3 |
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2023-04-26更新
|
3039次组卷
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6卷引用:2024届高三新高考改革数学适应性练习(一)(九省联考题型)
2024届高三新高考改革数学适应性练习(一)(九省联考题型)山东省潍坊市2023届高三二模数学试题专题17平面解析几何(单选题) 重庆市巴蜀中学校2023届高三下学期4月月考数学试题(已下线)年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题6-10(已下线)广东省深圳市深圳中学2024届高三下学期高考适应性测试数学试卷
5 . 在
中,角A,B,C所对的边分别为a,b,c,若
成等差数列,且
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6e7e03305ce819a63b754cab365c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c52598bde58e40c14eb41115d4e9be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdfc856e4c80a7995957ef4845346f4.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 在
中,已知角
所对边长分别为
,且满足
,
为
的中点,
,则
( )
![](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/a635c906f4e1175466cc7f90021628e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.3 | C.![]() | D.4 |
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2023-04-20更新
|
1068次组卷
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6卷引用:理科数学-【名校面对面】河南省三甲名校2023届高三校内模拟试题(四)
名校
解题方法
7 . 在△ABC中,角A,B,C的对边分别为a,b,c,
,若
,则△ABC面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3603c0d04e9af56443ca64e23b957e9.png)
A.2 | B.![]() | C.1 | D.![]() |
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2023-04-15更新
|
652次组卷
|
2卷引用:九师联盟2023届高三下学期4月联考理科数学试题(老教材)
解题方法
8 . 记
的内角A,B,C的对边分别为a,b,c,
,若
外接圆的面积为
,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c66df5f3f9d801907083f390e2aeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-03-30更新
|
612次组卷
|
2卷引用:理科数学-【名校面对面】河南省三甲名校2023届高三校内模拟试题(六)
9 . 已知圆
,圆
是以圆
上任意一点为圆心,1为半径的圆.圆
与圆
交于
,
两点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8af321460f93ba9f969e4a7a4600b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.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/c3d08f0ab6e573253450e03427e13db1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023·全国·模拟预测
名校
解题方法
10 . 已知双曲线
的上、下焦点分别为
,
,过
的直线交双曲线上支于A,B两点,且满足
,
,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29c0738fd840c1acadc91365ff366f7.png)
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d93f6043de66b7b65cd062ec785d6701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd3ffe5c14c3bea265f7c3887bf4afb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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