![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8f5cd8cae65f812a4e31343dac1384.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a9e242e6147161a0e986fb20333506.png)
更新时间:2021-09-10 12:32:43
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相似题推荐
解答题-问答题
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【推荐1】已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求
的值及
的最小正周期;
(2)求
的最大值,并求出取到最大值时x的集合;
(3)求
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89daeba8927cd138ea15234358da08c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解答题-问答题
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解题方法
【推荐2】已知函数
.
(1)求
的最小正周期;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f7226665e5492f6c8e55f5514d4a76.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778662c16848db470c6537705b8a839c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐3】已知向量
,
与
共线.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab624467f8338d31ae98524e082e867.png)
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(1)求
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(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3c91dcb0adec6f1697a0e89a90d2ac.png)
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【推荐1】已知角
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(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)
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解答题-问答题
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【推荐2】请用本节学过的公式验证和推导下列诱导公式:
(1)
,
;
(2)
______;
(3)
______.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e86013ece3955d2940f17e649a28d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857ad304c9845431a3c734f41fc198d0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effe22cdecfbb3b7bcab85c9d4c09652.png)
(3)
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解答题-问答题
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【推荐3】已知向量
,
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(1)若角
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d753cc43659942c72588efe508025134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685544941491c4fc3ad3b4a4d286609e.png)
(1)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad42625f296d2a4b65180e2f7b776beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58f78cb224a765a658f29ac0eba5f0e.png)
您最近一年使用:0次
解答题-问答题
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(0.85)
名校
解题方法
【推荐1】设函数
.
(1)求
的值及函数
的最小正周期;
(2)当
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的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f132f51b6b37eed4e3be5596ff90f481.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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】已知函数
,
(1)求
的最小正周期;
(2)求
的最大值,并求使
取得最大值时的
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894ff030df21ca5e84e3f2f5b8de4dd9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-问答题
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名校
解题方法
【推荐1】在
中,内角A,B,C的对边分别为a,b,c,且
.
(1)求
;
(2)若
,
的面积为
,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d37b2f8d5da8eaa07442b941017c1c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1892446e9f5c057a6d72a64065d01ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ca820a456491348e72587e4fe10bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1810555c0c28fe352841322b85bbc6.png)
您最近一年使用:0次
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解题方法
【推荐2】在
中,角A,B,C所对的边分别为a,b,c,且满足
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(1)求角A的大小;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0536c18a1439a5118951fb1d916f70fb.png)
(1)求角A的大小;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-证明题
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解题方法
【推荐3】已知
的内角A,B,C的对边分别为a,b,c,且
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(1)证明:C为锐角.
(2)若
的面积为3,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c256c79e8c4c18fc669412ede195d9.png)
(1)证明:C为锐角.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf4c55e68427cca325cfbddedcf84eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efdce759b9a86d5be2c14b95ae7680b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次