已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff81171e8634ac56f678a245781517a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c232a8b4130438212ee8cbb5456752.png)
16-17高一·全国·课后作业 查看更多[2]
更新时间:2017-07-08 20:47:12
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解答题-问答题
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较易
(0.85)
解题方法
【推荐1】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90031c08c580066102699bf758b29820.png)
(1)求
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90031c08c580066102699bf758b29820.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d647026750e0dc3600ca8fab65ddf39.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
【推荐2】已知
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(1)求sinx﹣cosx的值;
(2)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcca8105517bb9183c47a42ba6e6000.png)
(1)求sinx﹣cosx的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b938e3cc33c5ba838dd5f6527912922.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】如图,在
中,
于
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/7b4d23e3-0a9e-4dfa-931c-e1df80a5f1e4.png?resizew=151)
(1)若
,求角
的大小;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb673c01678316348bd4c6f1f5c9df9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/7b4d23e3-0a9e-4dfa-931c-e1df80a5f1e4.png?resizew=151)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab176715c3ae8e4e2ff80a0a5980f029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf623a808eaaef1acef2bd44d92d34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
解题方法
【推荐2】求下列函数值:
(1)
;
(2)
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(3)
;
(4)
;
(5)
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(6)
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(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b01d2bf1b175c7675c2992e152d866.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4044c638b71133bf8cc9e0663b7154.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b07244f0512ab0e629823a5859b3c46.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccea759e9d7079f3f4ebf5c65ba75fbe.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497fab1727384e3bbf3544e8af004333.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e528a13e9764255b340732ffb3a87a3d.png)
您最近一年使用:0次