设向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c451710e422461d0396d20dd7eb033.png)
,定义一种向量积:
.已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21882ba7b71460a2535f2444879ba35d.png)
,点P在
的图象上运动,点Q在
的图象上运动,且满足
(其中O为坐标原点),则
的单调增区间为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c451710e422461d0396d20dd7eb033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7254d16e36bc31ba93a5a40956e68c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c97aead8a6654da3fabfcc135b3442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21882ba7b71460a2535f2444879ba35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6171d6abcf5e4a8c4a0388b50cdd14d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08382c8293fa6c4b58c95b0a064f0c26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
更新时间:2020-03-09 17:45:38
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
【推荐1】已知函数
,给出下列四个结论:
①
的最小正周期为
;
②
在区间
上单调递减;
③
的最大值为1;
④当
时,
取得最大值或最小值.
以上正确结论的序号是___________ .(写出所有正确的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69ab38bd6dc070197b67b99b3be3936.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceba54c042e227b842c8f85628267c6.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ba60aea7eb9213e12a76af411a2f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
以上正确结论的序号是
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
【推荐2】已知函数
,则
的单调递增区间为______ ;
在区间
上的最值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9eca199c945ee47245fc5712f89f268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cea33d22c544df18a2533e94e2dbd4.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐3】关于函数
,则下列命题
①
的最大值为
;
②
的最小正周期为
;
③
在区间
上是减函数;
④将函数
的图象向右平移
个单位后,将与已知函数图象重合.
其中正确命题的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f02a3a7b29b138398bcc39d6761f8f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e419f77b94eb8abf45159888906dec2.png)
④将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b582fb0781ffb85a13fb77082912a5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf9c2a14f31481ee2c32e0434157a4d.png)
其中正确命题的序号是
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
解题方法
【推荐1】直角坐标系和斜坐标系都是法国数学家笛卡尔发明的.设
,
是平面内相交成
角的两条数轴,
,
分别是与x,y轴正方向同向的单位向量.若
,则把有序数对
叫做向量
在斜坐标系
下的坐标.设
,
.
(1)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b741079eb5792a67559baa9b098684.png)
______ ;
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91dcf3a0c227f1e01dbbf12078cc3b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f2b1408644b6ab804d0e0205297f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a13680f71c5f27aeff1e2f8e60739a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136c47557900b15777a0631268b78571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ec4b12d62adf3d3220733e54a0a6ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a9e1eb4c3226489d1344321b10b7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88af3ffd24ffccbca76e4ee2a7d33377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910d338406abb06dc52eb4ef3fdcfebe.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a115bf98f59c4b9e29240a541d110ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b741079eb5792a67559baa9b098684.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15b4a8fd213e3c8c5e038f2dd273ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】已知对任意平面向量
,把
绕其起点沿逆时针方向旋转
角得到向量
,叫做把点B绕点A沿逆时针方向旋转
角得到点P.已知平面内点
,
,把点B绕点A沿顺时针方向旋转
后得到点P,则点P的坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d90cc626d389ba9279305854452f0e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47d84d388dc1edd967cdc439b2a6c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b1383a4d0a0e1c47ee786a494de18a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c1c5b1eeab99c22807f7af8d743570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310d3b67f21150fa5ae309a599a08e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
您最近一年使用:0次