23-24高二上·江苏·课前预习
1 .
为
的导数,若
,则
=________ ,
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05fe2e57411fd28605b6973c9433722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f78f2aeb2495cffe5e7f7081af146d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f15e2060ff6e4c18569d47d24d168c1.png)
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2 . 参数
对
图象的影响.
(1)一般地,函数
的图象,可通过把正弦曲线上的所有点向左(当
时)或向右(当
时)平移_____ 个单位长度,就得到函数
的图象.
(2)一般地,把
图象上所有点的横坐标缩短(当
时)或伸长(当
时)到原来的____ 倍(纵坐标不变),就得到
的图象.
(3)一般地,把
图象上所有点的纵坐标伸长(当
时)或缩短(当
时)到原来的_____ 倍(横坐标不变)而得到.从而函数
的值域是______ ,最大值是___ ,最小值是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb949d5786d86460eac747a94923542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5560425727c95ea2e57e657fad919d5f.png)
(1)一般地,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac2d92e0eb3a6e79b4d465c33417c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04b2fa62cb0e22d7268848987abc0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f670713261d2dfd43637f70d25c213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00288a55aeecf48d33cdc1277307c90d.png)
(2)一般地,把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac2d92e0eb3a6e79b4d465c33417c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219e526faaa7fb02d01ec55b947a9dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8b79682b1872ca13d4d119adc01613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae26042cc00e3d363ac747ecd087f63.png)
(3)一般地,把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae26042cc00e3d363ac747ecd087f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b69a043b6e42ee738da62882676180c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bfce48d65f63a4cb00651dcb8302a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5560425727c95ea2e57e657fad919d5f.png)
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21-22高一·全国·课前预习
解题方法
3 . 已知复数z1=cos θ+i,z2=sin θ-i,则|z1-z2|的最大值为( )
A.![]() | B.![]() | C.6 | D.![]() |
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