1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e9173036ac6cd20addff7e5596c678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c608751eeb3a165e6d999c84fa479a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e9173036ac6cd20addff7e5596c678.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
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4卷引用:2017届江西吉安一中高三上学期段考一数学(理)试卷
2017届江西吉安一中高三上学期段考一数学(理)试卷【市级联考】河南省南阳市2019届高三上学期期中考试数学理试题西藏自治区日喀则市南木林高级中学2019-2020学年高三毕业班第六次月考数学试题(已下线)专题09 三角恒等变换-2020年高考数学(理)母题题源解密(全国Ⅲ专版)
名校
2 .
的内角
的对边分别是
,已知
.
(1)求角
;
(2)若
的周长为
,求
的面积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b04cc04edbebee9ba3e29066d7c5739.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e82c940a8dc6a5f84b12e9d8434c209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8364e0de3c661873fe72fb9d5c073e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2016-12-04更新
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3卷引用:2017届江西九江地区高三七校联考数学(文)试卷
解题方法
3 . 已知函数
,若
且
.
(1)求实数
的值及函数
的最小正周期;
(2)求
在
上的递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b74dec0966d256c09bcd4a823e8c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c008b0275a602571d8907bb126a563ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e991b5d816449a676c3a5dcf6f939a6.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
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4 . 在
中,角
所对的边分别为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ffa371fb2226e169adc3eb92102895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
5 . 已知函数
的最小正周期为
,若将其图象向右平移
个单位后得到的图象关于原点对称,则函数
的图象( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4d39076312ff7c6e94ce2d89fc5a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.关于直线![]() | B.关于直线![]() |
C.关于点![]() | D.关于点![]() |
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2016-12-04更新
|
729次组卷
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4卷引用:2016届江西新余市高三第二次模拟数学(文)试卷
6 . 已知
中,
分别是角
所对的边,若
,则角
的大小为
![](https://img.xkw.com/dksih/QBM/2016/10/18/1573076038017024/1573076043169792/STEM/aa4ebf770e5d4d68b70cdf8fe35e5d07.png)
![](https://img.xkw.com/dksih/QBM/2016/10/18/1573076038017024/1573076043169792/STEM/2cd68d9fb9e4499fa9e440dc5334ab8a.png)
![](https://img.xkw.com/dksih/QBM/2016/10/18/1573076038017024/1573076043169792/STEM/943285cbfd5741bda3d723aaeffa4513.png)
![](https://img.xkw.com/dksih/QBM/2016/10/18/1573076038017024/1573076043169792/STEM/37db4428c3584b9487f09d7912269d0b.png)
![](https://img.xkw.com/dksih/QBM/2016/10/18/1573076038017024/1573076043169792/STEM/b48efa3d4fd743e6b5eaf8d56f4c7779.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 在
中,角
,
,
所对的边分别为
,
,
,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/953f11eb95bfc036d85b472f81c6fb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f002f960ec07ea229ed243e2d991d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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8 . 将表的分针拨慢10分钟,则分针转过的角的弧度数是___________ .
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2卷引用:2017届江西鹰潭一中高三上学期月考二数学(理)试卷
9 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960f882a0d20fc488d2c057bf20b167e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960f882a0d20fc488d2c057bf20b167e.png)
A.0 | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
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2卷引用:2017届江西南昌市高三上学期摸底调研数学(文)试卷
10 . 在
中,已知
.
(1)求角
的大小;
(2)若
,且
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8a0a61b7aec66cac2201df64d46a75.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba56b41fe702d9b6433e4d01e48d69a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ca820a456491348e72587e4fe10bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab15f71acf24a48b4ea4efac5f09b718.png)
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|
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