若点
绕坐标原点按逆时针方向旋转30°到达点B,则点B的横坐标是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc36439b1be43cd1594aa1f484ab882b.png)
20-21高一上·浙江绍兴·期末 查看更多[3]
更新时间:2021-01-31 19:05:40
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】函数
(a>0且a≠1)的图象恒过点定
,若角
终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56344a9971f39314c4f74b584b0a1510.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c619e9e453cb7b4011edbf3785cbfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56344a9971f39314c4f74b584b0a1510.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】已知角
终边上一点
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5acb85cce3c0e8690fb31a0fd8b53a5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76b94fa972f92861f2fb70bed2ff9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1dbab7580d1671f4d5fa8cfa5c5e981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5acb85cce3c0e8690fb31a0fd8b53a5.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】已知
,
是方程
的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eadf92917dd304eb1efe0f11d517cc57.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f35152720e43c6403d43bef47c0377d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb466e1d8287b51b55d3503259b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eadf92917dd304eb1efe0f11d517cc57.png)
您最近一年使用:0次