化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a78f127d2a54525ee9bcf56b11f58049.png)
更新时间:2016-12-04 16:09:57
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相似题推荐
解答题-计算题
|
容易
(0.94)
解题方法
【推荐1】已知
.
(1) 化简
;
(2) 若
是第三象限角,且
,求
的值;
(3) 若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5d67916a5c849b5f46afe3ac1be108.png)
(1) 化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
(2) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4812f16239d59dd69bb9a9c7685e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
(3) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e2faf28dd550fedb35601391a5286a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】已知
,用k分别表示
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36abc61318d401b2f42237e31a417400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89614838e708889fcfcfd4f889be0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b37164c5489099cb7bd828c171e528.png)
您最近一年使用:0次
【推荐2】已知角
的终边经过点
,求下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c798c77d412bf82b4ab8d25aa6f351e3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8ff471824da7bf5393c19cde723827.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae5affd6896c9986336c85eac3502a8.png)
您最近一年使用:0次