求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf0cfa55a93d7e184a4007a4b7b710c.png)
更新时间:2020-01-31 13:21:45
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相似题推荐
解答题-问答题
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容易
(0.94)
解题方法
【推荐1】求下列各角的正弦、余弦和正切.
(1)0;
(2)
;
(3)
(1)0;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff5bb943e2d1bf24e53e81739a891a0.png)
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解答题-问答题
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容易
(0.94)
解题方法
【推荐2】求下列各式的值.
(1)
;
(2)
;
(3)
.
(4)
;
(5)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6e645697da5d2f0f76f4c1c7ba76c9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac8d8bb46e1797227ae05c168a60d90.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae73b2a3fa2832a39d9eb2f63db7bb3.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37bdc402258bad0b9a5e8b9a572e254.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e55fce703c189c8b91d47dbc2198d1.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐1】将下列各复数的三角形式转化为代数形式:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5509de39162527897ff2b49f6a184f9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b4cb933bf630c39da2e86c564e8f96.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f2dfac24b1acd840d809583ae15ba9.png)
您最近一年使用:0次
解答题-问答题
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容易
(0.94)
【推荐2】将下列各复数的三角形式转化为代数形式:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00171781d524675828f27e47e494ac6e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5bb83fe219373e825c2854842775c24.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a6be1460bfbb6f6111474b389f502a.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d0ce417555f8dc533aedd9c28f777b.png)
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解答题-作图题
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容易
(0.94)
【推荐1】分别指出下列复数的模和一个辐角,画出它们对应的向量,并把这些复数表示成代数形式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36afded26e2c0678824a03f487b557e9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b4b3ed73ff2a1b52c71bb4c00241bf.png)
您最近一年使用:0次
解答题-问答题
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容易
(0.94)
【推荐2】已知实数
,写出下列复数的辐角主值.
(1)
;(2)
;(3)
;(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392bf0ef48ebfa28f55b9c9c0f3feb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15a1f9146a06112ed1a5ea28e181e6e.png)
您最近一年使用:0次