已知函数
的最小正周期为T,若
,且当
时,
取得最小值1,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0822fbb443c5d31ae7f417b66102089f.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a718324d7f5d95daaed62306e5811c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a266e1ff1134ce27d868ba7e0e62f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d08d32f06b30eabf485b5422d7b569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0822fbb443c5d31ae7f417b66102089f.png)
更新时间:2022-11-08 20:29:56
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【推荐1】函数
的最小正周期![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cb763b3517a6204a9e9eb1d6163553.png)
_____ ,将函数
的图像向左平移
个单位长度,得到函数
的图像.若函数
的最大值为2,则
的值可以为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8436c1a24e479e33d4fad61004c504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cb763b3517a6204a9e9eb1d6163553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4145ac17697bc0f91225af690eeeff0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49341b57eb107f416a014903ce25a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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名校
【推荐2】已知函数f(x)=2sin2x-2sin2x-a.
①若f(x)=0在x∈R上有解,则a的取值范围是______ ;
②若x1,x2是函数y=f(x)在[0,
]内的两个零点,则sin(x1+x2)=______
①若f(x)=0在x∈R上有解,则a的取值范围是
②若x1,x2是函数y=f(x)在[0,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a197fd4f34662734a2eb6d88c42d86.png)
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【推荐1】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7465503c606c1edc2254f8cd9862a82.png)
,最小正周期
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
__________ ,函数
的图象的对称中心为__________ ,单调递增区间是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7465503c606c1edc2254f8cd9862a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eea761ee78b917734eb5bd7b1e3207d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8073fa685bc10cf01a0128220feac940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
【推荐2】已知函数
,则下列选项中正确的是___________ .
①若
,且
,则
;
②若函数
在
上恰有4个零点,则
的取值范围是
;
③存在
,使得函数
的图像向右平移
个单位长度后得到的图像关于y轴对称;
④若
在区间
上单调递增,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371f72cc89cac174d6170ae078f864ee.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b8f430bc9c87dd4633b8aff127532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ede0bf435c65eea21237484db6e1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa42a91dab9659ab8eaa533a04d5e962.png)
③存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d146b35aafbdf1191e16672217cea74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fee19fef930b81f2605c4642b6211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f59a84526646f8d6f5fccb3796f654.png)
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