已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc8de0849b020c7e3fac6206caa25cf.png)
(1)化简
;
(2)若
是第三象限角,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc8de0849b020c7e3fac6206caa25cf.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22c3de753417143d73a4f32d62f796c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
19-20高一下·辽宁沈阳·期中 查看更多[3]
辽宁省沈阳市郊联体2019-2020学年高一下学期期中考试数学试题(已下线)5.3 诱导公式(精练)-2020-2021学年一隅三反系列之高一数学新教材必修第一册(人教A版)山东省枣庄市第八中学(东校)2020-2021学年高一上学期第二次阶段检测(12月)数学试题
更新时间:2020-07-25 21:46:27
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解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知
,
,
,
是第三象限角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9664bb99d7bb6e229453ee6da123d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab1dfb4d7138002853645690bfbb982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abc69c57972a4efb8301e3308ea9ca6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d75442a901f013aeb5c52a7113ae9b9.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】已知
,
,求
,
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次