1 . 已知
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a8059ed4c95e347d89daccfa67e721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922553e85cea3a5b56aecc04bf71f1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a8059ed4c95e347d89daccfa67e721.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-11-11更新
|
1230次组卷
|
8卷引用:安徽省蚌埠市第一中学2018-2019学年高二下学期期中数学(理)试题
名校
2 . 已知角
满足
,
,且
,
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37c44906ee2ccea5357da782681a158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31dbed39219b7e90a18ba7c91fd4a191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f144a928f14814bf99e771f94771d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a3e9e30821cc112bd5f33792eb7be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74876891d38a5a79fe895cd216c9b9ac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-07-25更新
|
953次组卷
|
4卷引用:山西省朔州市怀仁一中云东校区2020-2021学年高二9月月考数学(文科)试题
名校
3 . 已知
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1716ac3f2868fcc4d86fad1c1c48c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72481ed07d4e63386299223a1d96dd7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-05-07更新
|
618次组卷
|
2卷引用:甘肃省天水市第一中学2019-2020学年高二上学期开学考试数学试题
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df9ede3cc69b2a47bcb86a4e82c4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-03-13更新
|
1829次组卷
|
7卷引用:云南省云天化中学2018-2019学年高二下学期期中教学质量评估数学(文)试题
14-15高三上·河北衡水·阶段练习
名校
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df06d27490bcd93bbbdc09b2fa94de35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c641f5557dbea13df62b76a8adc9c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df06d27490bcd93bbbdc09b2fa94de35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-12-12更新
|
520次组卷
|
8卷引用:【市级联考】广东省深圳市高级中学2018-2019学年高二上学期期中考试数学(文)试题
【市级联考】广东省深圳市高级中学2018-2019学年高二上学期期中考试数学(文)试题(已下线)2014届河北衡水中学高三上学期第五次调研考试理科数学试卷(已下线)2014届河北衡水中学高三上学期第五次调研考试文科数学试卷2016届黑龙江哈尔滨六中高三上期中文科数学试卷2016届河南省洛阳市一中高三下学期第二次模拟理科数学试卷湖南省衡阳市2017届高三下学期第三次联考数学(理)试题辽宁省实验中学分校2016-2017学年高一6月月考数学试题人教A版 全能练习 必修4 第三章 第一节 3.1.2两角和与差的正弦、余弦、正切公式
名校
6 . 已知
,
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1f601a512d6c37eef0079fae18b643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c3cd7cded116816a44fa319f57b35a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2c515c8ebfb98f9b2c9363949a5fe7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-03-05更新
|
896次组卷
|
2卷引用:辽宁省六校协作体2017-2018学年高二下学期期初考试数学(理)试题
解题方法
7 . 已知
为锐角,
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0134d57e0c86a60b58226a8dfc105269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5047ff5302884f8b254f7724fdae4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
A.![]() | B.![]() | C.-![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 若
都是锐角,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4253c00954682a8f04b661c515a87e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9330f5a1902fe99fc5edd744fbe9146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015bf25507c58d6dc18117cf8516604d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2016-12-04更新
|
714次组卷
|
2卷引用:2015-2016学年湖南省株洲市二中高二上期中数学试卷
12-13高一上·黑龙江大庆·期末
名校
解题方法
9 . 已知
,又
,
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc895ec48f63e07581dd1b9097db6c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34f308debc47005e2c54bd011645890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52134f70aa57733c17cb1b14f17f6cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cba017bd0fdace1b0d86e2d09cb154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.0 | B.0或![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-01更新
|
889次组卷
|
3卷引用:江苏省南京市江浦高级中学2020-2021学年高二上学期检测(一)数学试题
江苏省南京市江浦高级中学2020-2021学年高二上学期检测(一)数学试题(已下线)2011-2012学年黑龙江省大庆铁人中学高一上学期期末考试数学试卷【全国百强校】河北省定州市定州中学2018-2019学年高一下学期开学考试数学试题