1 . 求值:
.
![](https://img.xkw.com/dksih/QBM/2016/9/27/1573044138549248/1573044144332800/STEM/e0d2f4603b894560ae18db8ce9f5682c.png)
您最近一年使用:0次
2 . 已知
.
(1)化简
;
(2)若
是第三象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeac2288a05debe26a6798cd5c44be9f.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.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/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
您最近一年使用:0次
名校
3 . (Ⅰ)化简:
;
(Ⅱ)已知
为第二象限的角,化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc6f04cf9f89dc773675af8507ef3c.png)
(Ⅱ)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2bdcc133f118522f5d6dc61a0d9be7.png)
您最近一年使用:0次
2016-12-03更新
|
1955次组卷
|
2卷引用:2014-2015学年山东省潍坊市高一下学期期中数学试卷
名校
4 . 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
5 . 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
6 . 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
7 . 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
11-12高三·山东烟台·阶段练习
8 . 已知函数
.
(Ⅰ)化简函数
的解析式,并求其定义域和单调区间;
(Ⅱ)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909b0800f3b847b0173ed469d9f40294.png)
(Ⅰ)化简函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a920740d10378fb0612e8c2db6d19439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e082bfaf56ab4d8afe94d07719e8f3.png)
您最近一年使用:0次
10-11高一下·山东济宁·期末
9 . 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