已知
是第二象限角,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bfb7ecf17bdd90e1a632ebe4499f23.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca03f5ef20b70dddbb3766f9c3086e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bfb7ecf17bdd90e1a632ebe4499f23.png)
更新时间:2016-12-05 01:35:51
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相似题推荐
填空题-双空题
|
较易
(0.85)
解题方法
【推荐1】已知
,且
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8185c08a2f4f4ee019615c075b87ff5a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3397da9974613f3c4f9466643eebd4.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f201f6e84279e80b85f394f4d930ed41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8185c08a2f4f4ee019615c075b87ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3397da9974613f3c4f9466643eebd4.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】化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ecf0f891048ba81d25b491beb241fb.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ecf0f891048ba81d25b491beb241fb.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】已知下列命题:
①在
,若
,则
一定是等腰三角形;
②已知
是锐角,且
,则
;
③将函数
图象上的所有点向左平移
个单位,则得到的函数图象关于
轴对称;
④若
,则
.
中所有正确命题的序号是____________ .
①在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b883d9703a1deaf8dbc18097c6b8bb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2872d92d1b9dff8d818b95c0fa029a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d711a2674e87a6a7cf0d93c9eab80fc.png)
③将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113083fbf1400914c80b7b679fa63f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03756841ca110e99ea9ade0f12f04f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6b78c70d3d53bd9f9de87f97866aa2.png)
中所有正确命题的序号是
您最近一年使用:0次