如图,一架飞机从
地飞往
地,两地相距
.飞行员为了避开某一区域的雷雨云层,从机场起飞以后,就沿与原来的飞行方向成
角的方向飞行,飞行到
地,再沿与原来的飞行方向成
角的方向继续飞行
到达终点. 则
=________
![](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/457ec07cbd57016c33cce229c434e133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27b6d7bcb9617b7bf2155cd8c72a649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24d605ad707ad0e76059d8a31f50d3.png)
![](https://img.xkw.com/dksih/QBM/2023/12/19/3392568140537856/3392878609727488/STEM/7321dd5cfb2b449c93479be5815b5aa2.png?resizew=244)
2023高三上·全国·专题练习 查看更多[2]
更新时间:2023-12-20 00:52:06
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】已知点M是直线
与单位圆在第一象限内的交点,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087b3b56673fd2030d3d39d56f71aa1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
解题方法
【推荐2】已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
__________ ,
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c2bac639dbf708c13455e9d6db26a5.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】△ABC中角A,B,C所对的边分别为a,b,c,若
,△ABC的面积
,则a的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f34c516c0a9508244357de15e275052.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐1】神舟十五号返回舱于北京时间2023年6月4日6时在东风着陆场成功着陆,着陆地点在航天搜救队A组北偏东
的方向60公里处,航天搜救队B组位于A组东偏南
的方向80公里处,则航天搜救队B组距着陆点_________ 公里.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】某沿海四个城市
、
、
、
的位置如图所示,其中
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23e756d10fd459bf5359b756b6c094d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb6d9ba5a0415208615282f8b7953a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480c745b53ac6f2c6bda1ccec4ff97b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
.现在有一艘轮船从
出发以![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6f1af4b44b2e97e8f319bab4ae9010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
的速度向
直线航行,
后,轮船由于天气原因收到指令改向城市
直线航行,则收到指令时该轮船到城市
的距离是__________ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319536a5b0d3f94d4b1a495c3b19d79b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23e756d10fd459bf5359b756b6c094d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da8c16c36dd28ffd06d68da961cea70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb6d9ba5a0415208615282f8b7953a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da8c16c36dd28ffd06d68da961cea70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480c745b53ac6f2c6bda1ccec4ff97b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da8c16c36dd28ffd06d68da961cea70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6f1af4b44b2e97e8f319bab4ae9010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717da20781456655094f19bdd2351a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34cc9d4179815b0c9709b4961308194d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b250e4276bf3f328b03a66765541f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da8c16c36dd28ffd06d68da961cea70.png)
![](https://img.xkw.com/dksih/QBM/2017/4/18/1668561553989632/1668641589780480/STEM/b33e0a41c8774f7199322590bbeaab35.png?resizew=263)
您最近一年使用:0次