名校
1 . 下列说法正确的有( )个.
①若角
与角
为锐角
的两个内角,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
②函数
的图像的对称中心为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b30178cf2a252263a371af19101fa6b.png)
③周长为8,面积为3的扇形所对的圆心角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150c57a06c477de15520c289e2adabf1.png)
④第一象限角不都是小于
的角,但小于
的角都是第一象限角
⑤若
,且
,则
①若角
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d3744aa1b193855b1e8c79c3acf78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b30178cf2a252263a371af19101fa6b.png)
③周长为8,面积为3的扇形所对的圆心角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150c57a06c477de15520c289e2adabf1.png)
④第一象限角不都是小于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140d770d2bcf921a2bc29267fa69aafc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06f37bd322af6e273ceb66bac49a716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9604d031a1bad6472ba6b199576b5f.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次