解题方法
1 . 已知角
的顶点为坐标原点,始边与x轴的非负半轴重合.若
为角
终边上的一点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a42451bdbef6c82dbaf8e06f0614794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
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2 . 已知
、
均为锐角,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69aca84fbbde185d50148e3d4ebaf591.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064907d8de1216b5cf6a58e19bebd349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d57fe1973d05e25831d61004651016ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69aca84fbbde185d50148e3d4ebaf591.png)
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2023-05-14更新
|
647次组卷
|
3卷引用:浙江省金华市曙光学校2023届高三三模数学试题
解题方法
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadd2fc007ecc36d1c5149864452cac0.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51474d91e540a475138571e8738de850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadd2fc007ecc36d1c5149864452cac0.png)
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2023-05-02更新
|
683次组卷
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2卷引用:浙江省金华市义乌市2023届高三下学期适应性考试数学试题
4 . 已知
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c359aaa018026970c4c18e54891b2367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e687ec8f6c55f9a49af42c05c31538.png)
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名校
解题方法
5 . 已知平面向量
,
,
满足
,当
取到最小值sh,对任意实数
,
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7fa89fe27eea219eb53a95e94de77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec9b4eea82a9cc6aff0d31eddd8294b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a94d38c305075d1d082e6f2a5c2f43b.png)
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2022-05-11更新
|
1373次组卷
|
3卷引用:浙江省金华市义乌市2022届高三下学期5月适应性考试数学试题
名校
6 . 已知函数
,则函数
的最大值为________ ,若函数
在
上为增函数,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8ee3635bca44c9a1a3d8386c1c038a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6539638d9b52ac38677ed4f26d4f42b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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名校
7 . 已知向量
,若对于满足
的任意向量
,都存在
,使得
恒成立,则向量
的模
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ee2894ba8c5cee6633430cc8b3b41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9989c54fb3d74c241c2a1593df46c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6c8a18a00007d219e6f8ca17b3ae85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ee2894ba8c5cee6633430cc8b3b41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b1556bb6b2284919fab2b00dccecba.png)
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8 . 已知函数
,则函数f(x)的最小值为___________ .若
,
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ff42a3ab6eae97c4d929f8d8cfd3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d1b4a4a6c5baa11dca6bcb4c807018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68773d21eb81ed550ab85ca0999c03c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
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9 . 已知平面向量
,
满足
,
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee437e6ff470c2f67b8429f57b90ae37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e5fa3c8abf691ee89b2bbf6b24d105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0ec01297223294647d4d06328d43e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10594d6aa45d1151384aeb6df2f14021.png)
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2021-06-08更新
|
954次组卷
|
4卷引用:浙江省金华市2021届高三下学期5月高考仿真模拟数学试题
浙江省金华市2021届高三下学期5月高考仿真模拟数学试题(已下线)8.1.2 向量数量积的运算律 (课时作业)-2020-2021学年高一下学期数学同步精品课堂(新教材人教B版2019 必修第三册)(已下线)考点20 平面向量的数量积及向量的应用-备战2022年高考数学(理)一轮复习考点帮浙江省嘉兴市平湖市当湖高级中学2021-2022学年高一下学期5月阶段性测试数学试题
10 . 如图,在△ABC中,
,
,
,直线FM交AE于点G,直线MC交AE于点N,若△MNG是边长为1的等边三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8380348b1978556a8f55d58a58adcbe7.png)
___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/049d8d5b-b8f4-44fd-a989-ec69e6d92bbc.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed8ca6318993a47d7214f0632a40935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5749a9cf79cf78e57fcaaa1b3ff1acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538430485ba05653495cfd10576768db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8380348b1978556a8f55d58a58adcbe7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/049d8d5b-b8f4-44fd-a989-ec69e6d92bbc.png?resizew=199)
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