名校
解题方法
1 . 记
的内角
的对边分别为
,已知
,
.
(1)求角
与
;
(2)若点
为
的所在平面内一点,且满足
,求
的值;
(3)若点
为
的重心,且
,求
的面积.
![](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/998c2b5b757aa5b7d8e67c7c3c457162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca0e8cceb5a4f1e2e5e5c3fcb7577fa.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5baac0dd8be4c646a32213e3a979f9d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6894da6183fb8b8e7ac9b9f98cdb82.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251a0e63b401d131f69677ccf5fabacf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2 . 已知函数
,
,若对于任意实数
,
,
,
都能构成三角形的三条边长,则称函数
为
上的“完美三角形函数”.
(1)试判断函数
是否为
上的“完美三角形函数”,并说明理由;
(2)设向量
,
,若函数
为
上的“完美三角形函数”,求实数
的取值范围;
(3)已知函数
为
(
为常数)上的“完美三角形函数”.函数
的图象上,是否存在不同的三个点
,满足
,
?若存在,求
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74d0ba82f5b1a239b8e68e9c86ef7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35770a47ffcba6bf1d94eceabb416d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee0882f5f575d9e0ae7677efbd41b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553e185b436498b1350ba7a1e06779b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
(2)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8835124711478e0113e226b794868d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24be051accc527040d930dc083015177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b45eae4205f59cbca1fc930b116c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61dff5b63913762b3be82e55a18f3847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb3877c66dac437805956139eee391b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e461a7e238b9d13318da03dda495bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c8d140525d35f7c1d0cb82cdfecf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fbfe23e06cc72f33f925dd5ee3351e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d93edc1b9faa7c769228a4eaf969c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a5f916aec1121bb1d8183f91c52a13.png)
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名校
3 . 在复平面内,复数
对应的点为
,连接OZ(O为坐标原点)可得向量
,则称复数z为向量
的对应复数,向量
为复数z的对应向量.
(1)若复数
,
的对应向量共线,求实数x的值;
(2)已知复数
,
的对应向量分别为
和
,若
,求
的最小正周期和单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db95214c54cc0785b910bcf465159555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e472aea001d179c284e3687a9aacf384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb0e25bbccbee4a1b9db38b49e87978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb0e25bbccbee4a1b9db38b49e87978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb0e25bbccbee4a1b9db38b49e87978.png)
(1)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809611fd121b81127a63e28464d6cb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb82bf265eca304366c15fe2e332b32.png)
(2)已知复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8773d8fc782eac6c6899a41924a51d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67e9c461d434b2352ebbca2476a2ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30deb1f343048675b9b231620369668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1640d3fff861f45c5eb4019943b000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5685b1b573e5c901dfd0eb4f8892b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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4 . 已知向量
,
,
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f447aa708aea829f33db3254cf8b501e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e64b6d1f938a613eca67709312cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34281318027f1d9d7cffd42d2cca8df.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.设函数![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
5 . 已知向量
,
,设
.
(1)求
的最小正周期;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec2096e3f46c584b95ed280c5d34fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4321dfa81a9d36aaf86b7ea6666d93a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378720993c9f9e1e3098ca3fa857f059.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b5dcb189a35442798c4d403f728846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef88a3e4234a7fe34248dceb24b1530a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c3957703bc7a3cf8eb87496a58edf8.png)
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|
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2卷引用:江苏省宿迁市2023-2024学年高一下学期6月期末考试数学试题
6 .
中,角
所对的边分别为
,设
,
,
.
(1)求函数
的最大值及对应的
值;
(2)若
,求
的面积
![](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/8ee68969c66f60d6a780ef6e2e73de72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c36e8855b86427d036b5f6999ae2e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a903d1ae3864e1cd60dd0541d94d1e3e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e3d87be9f706832ef25537d78a201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a0b10a58ed2fc02c220b7e156351e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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7 . 已知
,
,若动点P,Q与点A,M共面,且满足
,
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2812a301d2d96252086a5acc8754bdbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d74b1d0480790400a9223e4437afdba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d201905efd415c672e6c1a301bde9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcbb017726b513ecfcf19a9caaee1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751d11a71e1fdf02c4a990220ca4e67d.png)
A.0 | B.![]() | C.1 | D.2 |
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名校
解题方法
8 . 已知平面向量
,
,且函数
.
(1)求
的值;
(2)求函数
的最小正周期;
(3)求函数
在
上的最大值,并求出取得最大值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a9285eb3446369fac943f50b0e7a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246d7f27c58b9509c4a936d45b471712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be181c499c1231a8a3b3adf1d7e15be.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca21ed066d60137c02edee7641e2723.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7日内更新
|
453次组卷
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2卷引用:浙江省2023-2024学年高二下学期6月学业水平第二次适应性联考数学试题
名校
9 . 已知
、
、
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2b1f4120365cb6ee4925fe417563f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fc88ea5357b675c01e93c62fea338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a70ddb54cd697dae31b8544f68fcf7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca210dd79eb4d84d5ced7d8503006253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc59da63e525fdac0cb8c44f21c92115.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 定义函数
的“伴随向量”为
,向量
的“伴随函数”为
.
(1)若向量
的“伴随函数”
满足
,求
的值;
(2)已知
,设
,且
的“伴随函数”为
,其最大值为t,求
的最小值,并判断此时向量
,
的关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651055fdc939ef20d1e92e82e6b32f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33309290491d336f5a69dd4308223cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33309290491d336f5a69dd4308223cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651055fdc939ef20d1e92e82e6b32f36.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33309290491d336f5a69dd4308223cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edfa80266d75e31c78b984ee033524e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ab7024f73ff0cb7e6a48197538a91e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd91fd0818516ea4763c1567079151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95105425e0e6a54fc0be418485fdf682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b8fbd4b00bc7d2bd4c4f0ed0b978f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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