名校
解题方法
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2b7c4f928012e7c8b7f284704e0c4a.png)
_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ab10bffefc1d249b9c791e9faca222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2b7c4f928012e7c8b7f284704e0c4a.png)
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2 . 已知
,求
(1)
及
的值;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9626e5b9db3f22a442f10fef71b76f83.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6aad40c02d5217af4535853938065b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626cca880ae8dfcda582fa50f9838a70.png)
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3 . 定义:
.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c8894e0b37af5da23a1c1bffb32017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f9d41306133d059e2daa28edd6d824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d398d233e4e31d1a91a56d1e0434f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46902ee9fbd30111d7831f1fc7b79641.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 下列选项中,值为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 已知
,下列结论错误的个数是( )
①若
,且
的最小值为
,则
;②存在
,使得
的图像向右平移
个单位长度后得到的图像关于
轴对称;③若
在
上恰有7个零点,则
的取值范围是
;④若
在
上单调递增,则
的取值范围是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234d723094aea93152142d5a7b6bb80a.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b8f430bc9c87dd4633b8aff127532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439963be2791e40927a406aa74c233d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e8577af5e97ed7b25c42f23c826d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afbd154d5f993012b880e4e0c7f9821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6d8f1ce4eb43c61849cea0b4d72d8.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
7 . 下列命题是真命题的是( )
A.上底面与下底面相似的多面体是棱台 |
B.若一个几何体所有的面均为三角形,则这个几何体是三棱锥 |
C.若![]() ![]() |
D.复数![]() ![]() |
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解题方法
8 . 在△ABC中,角A,B,C所对边的长分别为a,b,c,则下列结论中正确的是( )
A.若![]() ![]() |
B.若![]() |
C.若![]() |
D.若![]() ![]() ![]() |
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9 . 已知
,且
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140d770d2bcf921a2bc29267fa69aafc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bec99b0f7da69dd2f6ef8e88c35b81.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9c223818b3de9dc4e2ba6201532b8b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c463c84a42ab52bbf86220728c94c185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c1f914da4657eca7865982b130b299.png)
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名校
解题方法
10 . 设函数
.
(1)求函数
的最小正周期;
(2)若
在
上的值域为
,
①若
,求m的值;
②若
,求m的取值范围.(①②两问直接写出答案)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29048efca57d47100104c47e3a21772c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d1a62f0c7627cf14ec8633514f5d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3888f94c47f6c7caf602f248d4cd9348.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935b4035585dfe624ebdd0c758c6ea89.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
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