1 . 欧拉公式
把自然对数的底数
,虚数单位
,三角函数
和
联系在一起,被誉为“数学的天桥”.若复数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a40290b41632b9c0e0c2129adb9e501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f3d62c695600f7ae821e6e49c7e34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 欧拉公式
将自然对数的底数
,虚数单位
,三角函数
联系在一起,充分体现了数学的和谐美,被誉为“数学的天桥”,已知复数
满足
,
.
(1)求
,
;
(2)若复数
是纯虚数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83fbbc5fbdc4887691d675a14691fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0436ff4c817f257ea0b8a9e25854860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b115a0e0342044fc8987c39d15915a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be674fcbd2fd1a608fd4a9705c70db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5b0f762fb1ebfaf4cc2cbe0051e0c4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c64b75adfa934653fb3447a898f3fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7359cd5390b336e0edd0be8af93b4ec9.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 欧拉公式
(
为虚数单位)是由瑞士著名数学家欧拉提出的,它将指数函数的定义域扩大到复数集,则复数
的虚部为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20804d562fade99c73196c69b8eda431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c1a0d9c664a287c722ecca7c0db339.png)
您最近一年使用:0次