设函数
,其中
.
(1)若
的最小正周期为
,求
的单调增区间;
(2)若函数
图象在
上存在对称轴,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcedb61016a1b49045e2c534c175e131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746f59e58b18a2020c17d926df7f2d27.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.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/572bcf8a6fa788eb7fce7532a406fed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
更新时间:2023-05-26 15:57:59
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知向量
,
,且
.
(1)求函数
的最小正周期及
的对称中心;
(2)若
,求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2859566d2103f719d1c041940f344c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a34c0a408ca92dcedfe3e42f80ec433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
,
(1)求函数
的最小正周期和对称轴方程;
(2)求函数
的单调递减区间;
(3)若函数
在
上最大值与最小值的和为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e29e67ace40a6058f3a3533fc723e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11273c6603985ac331242428dc49cd6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c6c37ce441a8ed77c8e3953e8fe1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知
的一个对称中心为
.
(1)求实数a的值;
(2)若
,是否存在实数m,使函数
的值域恰为
?若存在.请求出m的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a258f386ca9c48861fcf6b33483f1caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076911d47531e3f4826218dfc9a39072.png)
(1)求实数a的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f5fb9d96b95b9dd2634b66b9ef7ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71c6aacd2d91755c6211cec27a11336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae780d51d44937153d91d8af5e04222.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知
.
(1)求函数
的单调递减区间;
(2)若
关于直线
对称,求
的最小值;
(3)当
时,若方程
有3个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198c42bee8ddb09070e244789794b7b0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a46a0fc7c90b66b3aeb64aa64448eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9895bf4192f5c55c16f8270d53c49b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d061d17bbc13e2d61a0c4aee0cb9ced3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782a93ba6d31961f4849ccd8deac2fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bcb9d4c1681fd61d6e8d4d8ccd4f67.png)
(1)求
的最小正周期和单调递增区间;
(2)若
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bcb9d4c1681fd61d6e8d4d8ccd4f67.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc40ef019eaa9eb6b29afa510eb0ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)若
,
,求
的值.
(2)A、B、C是
的三个内角,
;若D是AC边上的点,且
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb347d76ffdad46c2a7f0489d6b68b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d9ee8f2c5467955de7c1531deab15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73648ee0611b65b54676ebbe5be6baf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff0e5c78c04beea4e773185195da30.png)
(2)A、B、C是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d22c08802f8f1a223b7b46003e44d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1507faa9bbd1a1b5ac485fb0d030d6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a609dd9dcc48060163b3de8b8d01e0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】已知函数
的最小正周期为
.
(1)求函数
在区间
上的值域;
(2)已知
分别为锐角三角形
中角
的对边,且满足
,
,求
在
方向上的投影.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b45767b68d71365c9fe15aed388020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf1f865bafd4a820406d336d99f8091.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29e476d2f8daa03912e42d1ed095a26.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54d033e7259dc17ad3ead1bf2f6d54f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f048e24752d417ffbc56987ea3849fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbaeae7045ad94158cdf5ae97073bc17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34bf00aeba15bce2cdee8ab487388dc.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】设函数
。
(1)求函数
的最小正周期
,并求出函数
的单调递增区间;
(2)求在
内使
取到最大值的所有
的和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a49e824a91d5cc7cb9ddfc6f5880cc.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3a9f8a2de5a9ffdb5268b342f385f6.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
|
适中
(0.65)
名校
【推荐2】已知函数
.
(1)求函数
的单调递增区间;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d96d5621a3aa0a21866e4d6ccdfa55.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acae8f6391104c0c74cf3942dfb2589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5db64feb6bfa180fd4a1e3f346a105e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
您最近一年使用:0次