名校
1 . 角
的终边经过点
,且
,则b的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231a611c5521179f9f4745b27ae21933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969b106918cf44777d177a0538da8cb3.png)
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2021-11-27更新
|
1775次组卷
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4卷引用:浙江省绍兴市诸暨中学2021-2022学年高一(实验班)上学期期中数学试题
浙江省绍兴市诸暨中学2021-2022学年高一(实验班)上学期期中数学试题(已下线)专题5.4 三角函数的概念-重难点题型检测-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)四川省成都外国语学校2022-2023学年高一下学期3月月考数学试题湖南省衡阳市衡钢中学2022-2023学年高一下学期开学考试数学试题
2 . 已知平面向量
满足:
,当
与
所成角
最大时,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96baee807c43e1a7b7feacf142813e8b.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37932047cf80d8624ba4d228771ab7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988f87fb46274899a28b1a36b36e9bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbdb82455bba02bddce8d3cca6affbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96baee807c43e1a7b7feacf142813e8b.png)
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2021-11-26更新
|
1636次组卷
|
6卷引用:浙江省9+1高中联盟2021-2022学年高三上学期期中联考数学试题
浙江省9+1高中联盟2021-2022学年高三上学期期中联考数学试题新疆喀什第二中学2021-2022学年高二11月月考数学试题(已下线)热点06 平面向量、复数-2022年高考数学【热点·重点·难点】专练(新高考专用)(已下线)收官卷03--备战2022年高考数学一轮复习收官卷(新高考地区专用)(已下线)专题12 平面向量综合必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)(已下线)2022届高三下学期临考冲刺原创卷(三)数学试题
名校
解题方法
3 . 已知
,内角
、
、
所对的边分别是
、
、
,
,
的角平分线交
于点
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ ,
的取值范围是______
![](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/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd83a27ded8d315579134505d574114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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4 . 在
ABC中,
,
,则
ABC的外接圆面积___________ ,
ABC周长的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47e66258d3c21dd9bf44dab2c960afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
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解题方法
5 . 棱长为1的正四面体(四个面都是正三角形)ABCD中,M为BC的中点;则直线AM和CD夹角的余弦值为___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/d0e4f5ed-429d-47b9-b612-3a5e3fa228b7.png?resizew=153)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/d0e4f5ed-429d-47b9-b612-3a5e3fa228b7.png?resizew=153)
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6 . 如图所示,一圆形钟的时针长
,
年
月
日上午
至
,时针的针头自点
处转动到点
处,则线段
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a9eed64d225267a58cd001db67e2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151e5633a5d0cc30b254167e3dda5803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0b71b8d2c183154221f717ce09077b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd565dbdf39766841592196c7424bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd34a8f2a32dca72b27226124225ce73.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853138512404480/2858054318751744/STEM/18c9a38d-df8b-4045-8f66-96ee82e3b575.png?resizew=302)
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名校
解题方法
7 . 已知平面向量
满足:
,向量
与向量
的夹角为
,
,向量
与向量
的夹角为
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3aab05482046ebd5b2487850d05273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fd363f626776ddfbfea82674e754fc.png)
![](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/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90edfd81247ef2404c4d49d99928d3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518da418d72a09d716b16aeb8ab2ca40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca4ef1f8116bdf01b7324618fb53bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e084ea808dbd4c965c4a1820cb4e1ad.png)
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名校
解题方法
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b83c19e8054901df8a0e4a3d5a69d9.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d90078ecbffa247f6d5e958e8bc38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b83c19e8054901df8a0e4a3d5a69d9.png)
您最近一年使用:0次
2021-11-21更新
|
335次组卷
|
2卷引用:浙江省杭州市桐庐中学2021-2022学年高一(创新班)上学期期中数学试题
名校
解题方法
9 . 在矩形
中,
,顶点
分别在
轴、
轴的正半轴上(含原点)滑动,且矩形
位于第一象限,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8716b5aad93d97ca1c3791b9c717cc0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65436512ecbaefba4ac8123c55094211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540623f49be6594275a02059f6578f7e.png)
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10 . 如图,已知
中,
,
,
点
为边
上的动点,线段
的中垂线分别交
、
于
、
两点,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/a818f1d1-0881-4664-83fb-55ce247bc15d.png?resizew=166)
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