已知函数
最小正周期为
.
(1)求
的定义域及
的值;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50fee8790183f65308ca211f8eb4a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fce72decd7897299babebad8788f920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca4a397c701804c1664c0f08ea5ee53.png)
更新时间:2020-03-24 15:34:33
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解答题-问答题
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较易
(0.85)
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解题方法
【推荐1】已知函数
的最小正周期为
.
(1)求
的值及函数
的定义域;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eb78c501826cfa3c9ea4f07f517205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02670e1f979b267bacd51ebd4bb3427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知为锐角,
,
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f33e0c3380e2ddb3f35781a5b5314.png)
您最近一年使用:0次