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1 . 如图,已知
是椭圆
的焦点,
为椭圆上两点,满足
且 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca85673f44632273da2746b3632ce70.png)
___
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6e884a6299a50a89ef79d572a9f0d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca85673f44632273da2746b3632ce70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/ae3427fe-ef9f-4874-a47d-66192a26f957.png?resizew=231)
您最近一年使用:0次
2021-12-08更新
|
662次组卷
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6卷引用:四川省阆中中学2021-2022学年高二上学期第三学月教学质量检测数学(文科)试题
四川省阆中中学2021-2022学年高二上学期第三学月教学质量检测数学(文科)试题广西南宁市2022届高三高中毕业班上学期摸底测试数学(理)试题(已下线)第十一章 圆锥曲线专练1—椭圆小题1-2022届高三数学一轮复习(已下线)考向40 椭圆(已下线)考点38 椭圆-备战2022年高考数学典型试题解读与变式(已下线)专题二十三 椭圆与方程
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解题方法
2 . 已知双曲线
(
,
)的左、右焦点分别为
,
,
.若双曲线M的右支上存在点P,使
,则双曲线M的离心率的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7a20878c0d664833ee1e4a8772fd3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/c21b2006b5b4095ac23eca5cbc032e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d3a4642836dad9d7164a8219ea4872.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-08更新
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1585次组卷
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6卷引用:四川省成都市树德中学2021-2022学年高二上学期11月阶段性测试数学(理科)试题
3 . 在
中,角
、
、
的对边分别为
、
、
,点
是
的重心,且
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cab772241b7ed814073818bee03719f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ac616efef9fe236565d74000061ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2021-12-05更新
|
279次组卷
|
3卷引用:四川省内江市威远中学2021-2022学年高三上学期第三次月考数学(理)试题
名校
解题方法
4 . 已知
的内角
对边分别为
,且
.
(1)求角
的大小;
(2)若
为锐角三角形,且
,求
的取值范围.
![](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/0b102419323698777ad605781a9c8d11.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8409329b550296446a936d97c491ca9.png)
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2021-12-04更新
|
1936次组卷
|
7卷引用:四川省遂宁市射洪中学2021-2022学年高三上学期第四次月考数学理科试题
名校
解题方法
5 . 在
中,内角
,
,
所对的边分别是
,
,
,且
.
(1)求
;
(2)若
为锐角三角形,且
,求
周长的取值范围.
![](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/430562e0042f33f1c5da78299d8d8212.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2021-12-04更新
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2卷引用:四川省资中县第二中学2021-2022学年高三上学期11月月考文科数学试题
名校
解题方法
6 . 已知△ABC的内角A,B,C的对边分别为a,b,c,已知
.
(1)求角C的大小;
(2)若c=
,△ABC的面积为
,求△ABC的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8388dac4950802d9e9219824ee468f6.png)
(1)求角C的大小;
(2)若c=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
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2021-12-04更新
|
406次组卷
|
6卷引用:四川省绵阳南山中学2021-2022学年高三上学期入学考试数学(理)试题
名校
7 . 已知空间直角坐标系中三点
,
,
,则三角形ABC的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e67f373e6b207158aad902829e2b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189deb958a5b960009a6a2a168f4be8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ef2863f5f88f25811cb74f9f022101.png)
您最近一年使用:0次
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解题方法
8 . 在
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0852c8cdf1e3a9172a4e5a73e0d8007e.png)
.
(1)求角
的大小;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0852c8cdf1e3a9172a4e5a73e0d8007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c1b36d35c58d2c1a156f488ba7b5b.png)
您最近一年使用:0次
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解题方法
9 . 已知
的内角
的对边分别为
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d259db06ec6ddd65cce2b7528baa12.png)
(1)求角
的大小;
(2)若
求
的值.
![](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/7132c2d8b2ff504e6c2ba36c4f6dcfaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d259db06ec6ddd65cce2b7528baa12.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180c65967e0ce04c8789118be236e8a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
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解题方法
10 . 如图,已知锐角三角形ABC中,
的面积为
则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/9847e4a4-14f2-4b6d-8124-63ef2854edda.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5bc912adc8b83613b19ea9dbedec2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3087fb8b1ebbb212972185f0ca3495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d58ea6207c535e4549c602fcad4fce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/9847e4a4-14f2-4b6d-8124-63ef2854edda.png?resizew=124)
A.![]() | B.![]() | C.![]() | D.![]() |
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