已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f63dc02238b087ff47e9aa5bf6759d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bd6544d2981f293742902997a8644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-01-05 22:39:06
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】若α是第三象限角,则y=
+
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea031dc4310aed1fd1eb93da1bdac13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03be31d8606188bc0a69acc143307770.png)
A.0 | B.2 | C.-2 | D.2或-2 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系
中,点
为阴影区域内的动点(不包括边界),这里
,则下列不等式恒成立的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/da42bbb2-6c90-4820-b287-dd75dd2d1e20.png?resizew=195)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417d696bf46c75b9f71c4bd8215bb2d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/da42bbb2-6c90-4820-b287-dd75dd2d1e20.png?resizew=195)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
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解题方法
【推荐1】已知
为第三象限角,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb90f0294dfff41f05b0fc64d7a06e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d00a971393e8c521986b8b143f672ec.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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(0.65)
解题方法
【推荐2】已知
为锐角,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1493224898d63151980c2f2502e03868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895ae23a89391301ee34bfe5b221e99e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
【推荐1】在锐角
中,
,
,
的对边分别是
,
,则
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a4d634d3d678a1912a827fade6a0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.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/70f4f1d59efc1d9f568c0e33fa3c9bd9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】设
、
,
,若对任意实数
都有
,定义在区间
上的函数
的图象与
的图象交点的横坐标是
,则满足条件的有序实数组
的组数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d6b852771bd57587e1fc30188949a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ff04a785b306adefecb5b683f11638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d8f3029f3a660792bd92cec25928b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e4be004a34cfce346c12feea0a696.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
【推荐2】函数
的值域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5336038d34d9a0e8c0d34577cb8ca4f6.png)
A.![]() | B.![]() |
C.![]() | D.前三个答案都不对 |
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