(1)已知
,
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ebb96c73c0abf240bdc3f9d1ecec7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b994996d7b81d392f87d61cd90e4813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fc4f74a9fae7f9fec4fb0a31a7817c.png)
更新时间:2023-02-25 09:34:24
|
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解答题-问答题
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较易
(0.85)
名校
解题方法
【推荐1】已知
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b4cab645c97f6d1710f803ef6a8436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db589bebb2f413b51ab7d684f7eb990.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af559865610bbe73986f5353089f2d7d.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】已知
.
(1)求
及
的值;
(2)若
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a2bf8788fdb5a7bfe84a9752688174.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e59c1afb7dc761f5b373bc820ecff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f40f0f8ecadba6e27b6a88b1a463c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1c6f686681d7640cd71ed82b9f07e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c711885ba609af63b3f02b7074914ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f33e0c3380e2ddb3f35781a5b5314.png)
您最近一年使用:0次
【推荐2】已知角
的顶点与原点重合,始边与
轴非负半轴重合,终边是射线
.求下列各式的值:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826fb136f7244525aeb8b0d303726609.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6437634b670b841a848c4037d1d35e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca92ecb3ff50f21a256738926074de6c.png)
您最近一年使用:0次