已知向量
,
,设函数
的图像关于直线
对称,其中
、
为常数,且
;
(1)求函数
的最小正周期;
(2)若
的图像经过点
,求函数
在区间
上的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0926e9200ff0032f79f61f43d981e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1852e6a6f08aff67b23442457726ff01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a96a223766e20ef54c9568fcfb0c7a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff420ca0d6e2e7d434a933cf6c5792b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d5ce592508f52c79ab2cba081a8a8b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05486d92fe6c6b01b7c18b63b3b7580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5b78ba76bcae64eb7e5128c0a6ecca.png)
更新时间:2020-01-16 07:49:56
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适中
(0.65)
【推荐1】已知
.
(1)当
时,求
的值域;
(2)若函数
的图象向右平移
个单位后,所得图象恰与函数
的图象关于直线
,求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b276131278d9f6c6187fe8e7b1ddb911.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae15a02a7b2e428f7a77342fc2544cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c487fec20bd809e0baf5cb39afe8979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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【推荐2】已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/5b7fec4f-efb7-4276-a097-13f2cd8b769b.png?resizew=220)
(1)求
的解析式;
(2)若函数
,对任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3932c1efb1c565878349667197dfbb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/5b7fec4f-efb7-4276-a097-13f2cd8b769b.png?resizew=220)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fafecbaadef31a3d4d0b55f78e6fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149ad321443a6bcc4fa0eb376f6cb02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】在已知函数
,
(其中
,
,
)的图象与x轴的交点中,相邻两个交点之间的距离为
,且图象上一个最低点为
.
(1)求
的解析式;
(2)当
时,求
的值域:
(3)求
在
上的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93778ac16acb542c259b9c4c49b410b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56c743c061aa50c9061dad3d92f9bce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507628e5ee1b8f649912cb76f446759a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
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适中
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【推荐2】已知函数
,
图象两相邻对称轴之间的距离为
.
(1)求实数
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(2)将函数
图象上的所有点向左平移
个单位得到函数
的图象,求函数
,
的最值以及相应
的值.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57527261af2d2ef23d2b4cf9dde0c2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
【推荐1】已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088f0af5b81c06bb17055d808858f644.png)
(1)若
,求x的值;
(2)记
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088f0af5b81c06bb17055d808858f644.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2dd167392a87d125bfd91ab3cb396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a096785f02d76d93d540bb0837cf2291.png)
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解题方法
【推荐2】已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/c2ff9cd5-4110-41fa-b1e1-d4a303148b57.png?resizew=147)
(1)求
的值;
(2)试问正弦曲线
经过怎样的变换可以得到曲线
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8adf27d156e326935856d1de846f3688.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/c2ff9cd5-4110-41fa-b1e1-d4a303148b57.png?resizew=147)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac50bd35417c26de59299b6809869d1.png)
(2)试问正弦曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49341b57eb107f416a014903ce25a8.png)
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【推荐1】在
中,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/31dba94c-f9a4-4bd0-9de7-a24ee41802a3.png?resizew=442)
(1)如图1,若
在
上,且为靠近点
的四等分点,且
,求
;
(2)如图2,
,
,
,
,
分别为
上的2021个点,且满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f412528e223f268ec4f0f3e268ced80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/31dba94c-f9a4-4bd0-9de7-a24ee41802a3.png?resizew=442)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57766a96c4b7e39bc224fa5917c6be22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee7bb49247387a9028602315729f8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7beada0668454b2cd7713cc3a520f0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42915c926f95d1b6b042d6f961fdf620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f335211fe4a99a7ea20b0fe54ba13f6e.png)
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解题方法
【推荐2】已知
,
,
与
的夹角为
,问:当
为何值时,
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a04a5b951b6ce6c766a63e7a077e02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b72494c40e9c7afffd5238fd53e2e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd194a5067c8106cbee7adaa2dff987.png)
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【推荐3】已知向量
,
,其中
,
是夹角为60°的两个单位向量.
(1)求
及
与
夹角
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca59b97d535d534b0d1a4c31a1f44b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9209140cf274ae6d0d05b551cb633e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c250094127e2b3c878d68213b60407.png)
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