1 . 扇形的半径为2,圆心角为
,则圆心角的弧度数为______ ;扇形的弧长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
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2 . 已知曲线
,该曲线的切线倾斜角的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3921593e8f3ee457fb313a926adaf940.png)
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3 . 在中,
,
,
,则
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4 . 若函数
的最大值为
, 则 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c8bda12a3a7e52ee4e1231dd06bd62.png)
________ , ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6019dcdf62c2ec2a8683e59541a347eb.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805586eaef5f31568f5a5c84c932a5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c8bda12a3a7e52ee4e1231dd06bd62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6019dcdf62c2ec2a8683e59541a347eb.png)
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5 . 已知,
,则
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6 . 设函数
.则
=______ ;函数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1aad3adc6ae787d04dc123caee0904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df761fa4f63dffa98be64b740d885a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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7 . 在平面直角坐标系xOy中,角
与角
均以Ox为始边,它们的终边关于
轴对称,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
_____________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84effab46d6bfc6cb110963e027a6b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
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8 . 将函数
图象上所有点的横坐标缩短为原来的
,纵坐标不变,再将所得图象向左平移
个单位长度,得到函数
的图象,若
,则写出a的一个可能值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f737134ff6e55bb55a972c671c6409f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441174cfb382aaa3a94787e028d0fd6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa93612beade8c833778898cd4b7788.png)
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9 . 半径为2的扇形中,圆心角为
,该扇形的弧长为 ___ ,面积为 ___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12c461765806bbfb872e7e8aa410c8.png)
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10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c8794bdc37eaf5db44e41994f018b7.png)
___ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c8794bdc37eaf5db44e41994f018b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
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