名校
解题方法
1 . 在
中,角
的对边分别为
,已知
.
(1)求
;
(2)若
为
边的中点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8da3561f20a8aa399418172ee725549.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc28736bfbaea0c11e0c7b890ef2ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2024-05-14更新
|
1853次组卷
|
7卷引用:江苏省扬州市新华中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
2 . 设
是钝角,
.
(1)求
的值;
(2)求
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ebb96c73c0abf240bdc3f9d1ecec7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f88d80d4a4f5600f027898626ba857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2697c46b97dc590beaf8bfb81c6ea655.png)
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3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6bac53ae78b1b15e3e0aa68591f2e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c28d596b69132cd0d2299c6093e02e2.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f4facdcf8225101889b12170f53508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c28d596b69132cd0d2299c6093e02e2.png)
您最近一年使用:0次
名校
解题方法
5 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b03fced87efd212987e88a58731156c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8183b2e8be5c46f86cc32bc98b421878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefd7b57838ce8dff036dcd13f19f573.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 在
中,角
所对的边
,满足
且
.
(1)若
,求
的面积;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd813767c3263437ee6e96a1ab75bb7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0190aba7ad7fb483aa3f07ab324016cb.png)
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7 . 已知函数
.
(1)当
时,求
的值域;
(2)当
时,设
,求证:函数
有且只有一个零点;
(3)当
时,若实数
使得
对任意实数
恒成立,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd9454d93ceba0aabe7fd49940bfe05.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd7126d6d76248996a222631cc9ea93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929d7dcd904be9aac64dfc5c68c3539e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7655d9321940385897c723a4f2136c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa5e9b6589b0c44b61f17028394b444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b511bcbe94aa484c0a067891fbf7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90de59980f26e4456ff705ca6842400b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8690b9a30328d99587ef690df5e704.png)
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名校
解题方法
8 . 在
中,
,且
.
(1)求
的大小;
(2)再从条件①、条件②、条件③这三个条件中选择一个作为已知,使
存在且唯一确定,求
的面积.
条件①:
为锐角;
条件②:
;
条件③:
.
注:如果选择的条件不符合要求,第(2)问得0分;如果选择多个符合要求的条件分别作答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e294734342affbd54b44d5c8c12302d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8e2b380189700530b3352b501c532d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)再从条件①、条件②、条件③这三个条件中选择一个作为已知,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2aee0515ff743cceda778f4125af918.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a62d725983211027502aaa89968410.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c55fbdae9d27ac0d040ee883f1e8f3f.png)
注:如果选择的条件不符合要求,第(2)问得0分;如果选择多个符合要求的条件分别作答,按第一个解答计分.
您最近一年使用:0次
2024-04-22更新
|
1279次组卷
|
4卷引用:江苏省扬州市邗江中学2023-2024学年高一下学期期中测试数学试题
江苏省扬州市邗江中学2023-2024学年高一下学期期中测试数学试题2024届北京市房山区高三一模数学试卷(已下线)3.4 正弦定理和余弦定理(高考真题素材之十年高考)江苏高一专题05解三角形(第二部分)
名校
9 . 若
的角
所对边
,且满足
,则
的最大值为( )
![](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/5fd95a60e2fe536650186ee3ffa76934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-18更新
|
939次组卷
|
3卷引用:江苏省扬州中学2023-2024学年高一下学期4月期中数学试题
名校
10 . 设函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d49b8e0f3daeea02b4e167eaf3ca0b.png)
A.![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.存在![]() ![]() ![]() |
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2024-04-18更新
|
2091次组卷
|
4卷引用:江苏省扬州中学、盐城中学、淮阴中学、丹阳中学四校2023-2024学年高三下学期调研测试联考数学试卷
江苏省扬州中学、盐城中学、淮阴中学、丹阳中学四校2023-2024学年高三下学期调研测试联考数学试卷(已下线)数学(江苏专用02)(已下线)压轴题07三角函数与正余弦定理压轴题9题型汇总-1湖北省荆州市部分重点高中2024届高考适应性考试数学试题