已知角
是第三象限角,且满足
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3d2459e172720f4105e56caffb286c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184da7ed25ea29a0d5ab51afe41f1c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
更新时间:2023-12-25 18:21:00
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解答题-问答题
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【推荐1】(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)
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解答题-计算题
|
较易
(0.85)
解题方法
【推荐2】(1)化简:
(
为第二象限角);
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60f28ca949e46f9f537c9a6786bfc1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e96bd826e187735177986d3ec72e3ce.png)
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【推荐1】已知
,且
,求下列各式的值:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58442b8ef07b47dec3c24551a680dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078714125ff27a773ded66638044f7b7.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f7b89def476669310e66a638b1c384.png)
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【推荐3】(1)已知函数
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(2)已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be86dd5af23f72d77be8fb21bb57bdfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bf798152b5e947a4e5d671932b9494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5424762b2cec18c8371bbf6597c42d2b.png)
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解答题-问答题
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较易
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解题方法
【推荐1】已知
.
(1)若
,求
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d167dab1486cf04fdc9931a51f6b5ee3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f280aa9106f8983fa107da81a2ce1bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3fbeb33c726679a3201f4cdb4d797f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908becf9be0e3b32e40b127b417351b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda318adf65c6b6fd45f651365f52346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
您最近一年使用:0次