2011·广东深圳·一模
1 . 已知复数
满足
(
为虚数单位),求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ec81306f4f62f68c83077638f8c951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebbe776149ca154c5a8412af4d7b07d.png)
您最近一年使用:0次
2010·广东揭阳·一模
2 . 已知复数,
,
,且
.
(1)若
且
,求
的值;
(2)设
,求
的最小正周期和单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/382ca9ff1203a3fa7f31102bc2ee05ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e78e8cc536e1e288f58a0786d4944b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de59a6da1ee210ccf04651ae53275dd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558e11d700481dc414d5d073b4b88a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c87874458fabe50aff5e19d586d5d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a49389cacef6b5b8c536eb8c51d087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次