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1 . 在平面直角坐标系中,角
与角
均以
为始边,它们的终边关于
轴对称,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5ffc0de8a97c651636edb14952ab2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
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2 . 已知
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a3a86821a4c03f3d6fae3abb4db9e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c862858736f0cb79b8a2dcfedddd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4002f8eddddf093b7b868cb1e79961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c35cbb7e517042da1906abf2f0841b.png)
A.![]() | B.![]() | C.![]() ![]() |
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解题方法
3 . 已知
则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7806d16edd097e6654483371684bf68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abc69c57972a4efb8301e3308ea9ca6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-07-22更新
|
535次组卷
|
2卷引用:辽宁省抚顺市2016-2017学年高一下学期期末考试数学试题
名校
4 . 若
,且
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6351d360bb3d65c23eb78481ab8788f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380645e6843309916abf3e4eb0d7502e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c575abee1806aba533bd6cd96f2f47.png)
A.![]() | B.![]() | C.![]() | D.1 |
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2017-06-02更新
|
917次组卷
|
3卷引用:湖南省2017届高三考前演练卷(三)理科数学试题
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5 . 已知函数
.
(1)求函数
的单调递增区间;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d3dd3b9ff5a236b597aa97c62b3ada.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e548291696e678d958ae00b633b524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749010a27180b2516f2989a15353cf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff0e5c78c04beea4e773185195da30.png)
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2017-05-12更新
|
1888次组卷
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8卷引用:浙江省嘉兴一中、杭州高级中学、宁波效实中学等2017届高三下学期五校联考数学试题
名校
6 . 已知函数
.
(1)求函数
的递增区间;
(2)
的角
,
,
所对边分别是
,
,
,角
的平分线交
于
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373bd6a661178aea8a4f5c64397d3279.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f2d59590aa4817f957ccf6dc23f4d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32e00caafca69265c4992177f6a5ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa6361e919ac07ee6ed642556e1d1ae.png)
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2017-05-09更新
|
1147次组卷
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3卷引用:江西省南昌市2017届高三第二次模拟考试数学(文)试题
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7 . 已知
,
为锐角,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852fa088d3b348c8a418ab5c3b977ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8533532d13b268aae392a5b3a1b3a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-04-18更新
|
672次组卷
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5卷引用:福建省泉港一中2016-2017学年高二下学期期末考文科数学试题
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8 . 若
则
的值是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab43282fe2c1de69b27c87abdc418775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ced9e9515102eb37191b7d06d8d603c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-04-01更新
|
1347次组卷
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3卷引用:2015-2016学年河北省石家庄市辛集中学高一下学期综合练习(三)数学试卷
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9 . 函数
,则函数的最小正周期为____ ,在
内的一条对称轴方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46efceb3c30e228e90e9619434ebb5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
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10 . 已知函数
,
.
(1)求
的最小正周期和单调增区间;
(2)已知
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cee400c204054be4852f696476f787e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28084156f42f456f48b8a8924150cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a770b4b277779ce1503a7e30371e257e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517477e4d07f2c6c9b446825a9a2c3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291a0bc1c140444ccc8b5a52074bfa13.png)
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2017-02-08更新
|
757次组卷
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2卷引用:2017届福建南平浦城县高三理上学期期中数学试卷