名校
1 . 已知
为第三象限角,且
.
(1) 化简
;
(2) 若
,求
的值.
(3) 若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfa627f9cc6150f335aa34b6461e156.png)
(1) 化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
(2) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d47b630473bdc7ee6e3c9158cbbfe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
(3) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1b8f11a46bc9af242f820be3d7b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476de9c508547bc75c4c1ac61d3eb5af.png)
您最近一年使用:0次
2016-12-03更新
|
1635次组卷
|
2卷引用:山东省东营市广饶县第一中学2021-2022学年高一下学期3月月考(线上)数学试题
2 . 化简下列各式:
(1)
;
(2)
,其中
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688ffb0fe46303e495baaea68d40c244.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5654924bcda2f357fd65101ee232de03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd175fb34db329cc37ce3d42cb552c1.png)
您最近一年使用:0次
12-13高一下·辽宁·期中
3 . 求值:
(1)已知
,
求
的值;
(2)已知
,求
的值.
(1)已知
![](https://img.xkw.com/dksih/QBM/2013/7/18/1571290624909312/1571290630553600/STEM/439b00d537c1480784b81f28f6f48aab.png)
求
![](https://img.xkw.com/dksih/QBM/2013/7/18/1571290624909312/1571290630553600/STEM/a96aec2e5d004797b94a5da265454da1.png)
(2)已知
![](https://img.xkw.com/dksih/QBM/2013/7/18/1571290624909312/1571290630553600/STEM/dbe401a18acc4e1f8e636e15c3f11691.png)
![](https://img.xkw.com/dksih/QBM/2013/7/18/1571290624909312/1571290630553600/STEM/aaa963eb8cd64a8a9fb2d1015e8bd188.png)
您最近一年使用:0次
12-13高一上·湖南株洲·期中
解题方法
4 . 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
10-11高一下·山东济宁·期末
5 . 已知
.
(1)化简
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b4802066de83f80ae563b060bc00b7.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e6ad26368f49ed4184bf7068a79a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
您最近一年使用:0次
10-11高一下·山东德州·期中
6 . (1)若
化简:
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a616521027862ffd4b24c2868105544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1673a23d14084e0c72beee9a3fce1184.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7df439dfff0f1c237abc11efaa7e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1a13e62e58cef8eeeede9d33fab7aa.png)
您最近一年使用:0次
9-10高一下·河南·期中
解题方法
7 . 已知
.
(1)化简
; (2)若
是第三象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8bebfe158eaf491a76cf56822844a5.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43059520f06c7c65adf10d7e14b30148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
您最近一年使用:0次