名校
1 . 已知
,过函数
与函数
的公共点作
的切线,若存在一条经过原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f719952d7a0aca7d906be7645b506679.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9f5bab329331795ccf58e444277430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ea070a08757077f748e0b631168483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01568caf37606d5fcfee5d4b8bf3f67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f719952d7a0aca7d906be7645b506679.png)
您最近一年使用:0次
2024高二·全国·专题练习
名校
解题方法
2 . 如图,某景区有三条道路
,其中
长为
千米,是正北方向,
长为
千米,是正东方向,某游客在道路
上相对
东偏北
度的且距离
为
千米的位置,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071794c3c1d86f6e2f76f8971ce26eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
您最近一年使用:0次
2024-03-13更新
|
635次组卷
|
4卷引用:模型1“加线三角形”模型(高中数学模型大归纳)
(已下线)模型1“加线三角形”模型(高中数学模型大归纳)(已下线)压轴小题2 正余弦定理在平面图形中的应用青海省西宁市第五中学2023-2024学年高一下学期4月月考数学试题福建省宁德市福宁古五校联合体2023-2024学年高一下学期4月期中考试数学试题
解题方法
3 . 若
内一点
满足
,则称点
为
的勃罗卡点,
为
的勃罗卡角.在等腰
中,
,若勃罗卡点
满足
,则
与勃罗卡角
的正切值分别为__________ 、___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cacea642a82c85058a03244a39cfeb6.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac75739fe03600fed7b712ba1dd8457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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名校
解题方法
4 .
被称为欧拉公式.我们运用欧拉公式,可以推导出倍角公式.如:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4511b4a678755f69f4a9a82b117cca3c.png)
.类比方法,我们可以得到![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c87e34f4681791e0a5d00fd70576030.png)
____ (用含有
的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc0ab4d45a4bef21ba8ae793f2e76f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4511b4a678755f69f4a9a82b117cca3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ef5b2ea33b6ea08df130ce079aac19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c87e34f4681791e0a5d00fd70576030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
您最近一年使用:0次
2023高三·全国·专题练习
5 . 对于锐角
,给出下列条件:
①
;②
;
③
;
④
;
⑤
.
能使
的条件有______ (要求从①②,③④⑤两组中分别选择一个).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee86fc3cc1700452e83ca45bccb9c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5533a978f6d4614eefbf0388b0b6113d.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8b55212018a538a2f2e4a129568a6f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb6e96afaec6e0214b799457939ff67.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900ee0ca9bf5a6a3a839224d55d3fc30.png)
能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd9e677dd739bc09ae396dd7559eef0.png)
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解题方法
6 . 自“一带一路”倡议提出以来,中俄两国合作共赢的脚步越来越快.中俄输气管道工程建设中,某段管道铺设要经过一处峡谷,峡谷内恰好有一处直角拐角,如图,管道沿A、E、F、B拐过直角(线段EF过O点,点E,O,F在同一水平面内),峡谷的宽分别为27m、8m,如图所示,设EF与较宽侧峡谷崖壁所成的角为
,则EF得长______ m,(用
表示),要使输气管道顺利通过拐角,EF长度不能低于______ m
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2023-04-24更新
|
992次组卷
|
6卷引用:辽宁省部分学校2022-2023学年高三下学期第二次模拟考试数学试题
辽宁省部分学校2022-2023学年高三下学期第二次模拟考试数学试题黑龙江省牡丹江市第三高级中学2022-2023学年高三下学期第三次模拟数学试题(已下线)模块六 专题11 易错题目重组卷( 黑龙江卷)山东省济宁市邹城市第一中学2023-2024学年高三上学期10月月考数学试题(已下线)第十章 导数与数学文化 微点3 导数与数学文化(三)单元测试A卷——第五章 一元函数的导数及其应用
解题方法
7 . 设
,
,O为坐标原点,若
,且
的面积是
的面积的2倍,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a70fd837c70b944a66450bbcf6946bc.png)
___
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a4b671f58f639ed3b947439a13dcb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f186a352c22acb88c68ec8edfaf391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f87e613140c1729f06a665af617bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a70fd837c70b944a66450bbcf6946bc.png)
您最近一年使用:0次
8 . 设
,其中
.当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7e2d3929980cba9f153e991cf4bfe8.png)
____ ;当
时,
的一个取值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca8c98a5587bdbb372d412e92029b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6ce73930391278b35e97d58226aacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64998ca9cdcc43498d3d0499af984b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7e2d3929980cba9f153e991cf4bfe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19efd2f2662ca444c784b69e35f53120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
您最近一年使用:0次
2023-03-27更新
|
1284次组卷
|
5卷引用:北京市西城区2023届高三一模数学试题
名校
9 . 已知:
①命题“
”的否定为“
”;
②已知
,则
;
③已知角
是第二象限角,且
,则角
是第一象限角;
④“
”是“函数
的最小正周期为
”的充要条件.
其中以上结论正确的是_____ .(填序号)
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a9da1624a4ab4e9c54cef3e5a010d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed5c20a511e3a2603b9dc4397f96ec2.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9fbf538ae87b660c3a3424729b55d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a0c84e93ac004aadba06f0a772189f.png)
③已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba11680b84118ca5ecd9ead79611686d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0e27121a582de019f7d539dbd95114.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a68bcee9959a6ddf017d1f8d8588173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14e815e5157329b8c4f5613852af38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
其中以上结论正确的是
您最近一年使用:0次
名校
解题方法
10 . 设
,
,
是实数,
.若
,则
的值为______ (用
,
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/39d480f0fe759b6773d568ea7bcd2f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4353646c53074cb5c66eb61bc2658a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c77bf9b80ead996beb6abdb3b2de133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2023-02-13更新
|
476次组卷
|
3卷引用:上海市复旦大学附属中学2022-2023学年高一上学期期末数学试题
上海市复旦大学附属中学2022-2023学年高一上学期期末数学试题 上海市上海师范大学附属中学宝山分校2023-2024学年高一上学期期末数学试卷(已下线)专题04 三角-《期末真题分类汇编》(上海专用)