1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/9a68019e-2369-4330-a384-f9c937ab47d0.png?resizew=192)
(1)求
的解析式;
(2)先将
的图象纵坐标缩短到原来的
倍,再向右平移
个单位后得到
的图象,求函数
的对称轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f2ae449ce1951748b9727c6edd1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559fc5a9a02797905485a184026056e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/9a68019e-2369-4330-a384-f9c937ab47d0.png?resizew=192)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)先将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
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解题方法
2 . (1)已知
,求:
;
(2)已知
,且
为第四象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4690a46dce144f1a1fe565e14df009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a21f90aeb69c6d5ba648ae57abd797d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112ea7353a17ffbc20bbdcf940b5f6ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cba3722cbe2a3057b24ecc290c916b.png)
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解题方法
3 . 如图,已知多面体
的底面
是边长为
的菱形,
底面
,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/2f0b9f13-ae1e-4521-9ae5-cc2b5f34ac51.png?resizew=172)
(1)在线段
上是否存在点
,使得
平面
,若存在,说明理由;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f6a7b94cc4208c351f63f5f3521ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147e7c8ba0bbb540a712f6eb2ed6d22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc75bd0263fd719a9131d34a45ce542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bde6ea07b53c6117aa88d748ecc530.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/2f0b9f13-ae1e-4521-9ae5-cc2b5f34ac51.png?resizew=172)
(1)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6dfed58659a9cab4d1836c3d2effdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751b4e09cde1ff7fb3f0d309ebbf1506.png)
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22-23高三上·河南·期末
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4 . 在极坐标系中,圆
的极坐标方程为
,直线
的极坐标方程为
.以极点为坐标原点,以极轴为
轴的正半轴,建立平面直角坐标系
.
(1)求圆
及直线
的直角坐标方程;
(2)若射线
分别与圆
和直线
交于
两点,其中
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2615e613b4725af3e5b330e860a3834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e325401175aaee37ce062fa69b2a188c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be6895a2972696747bad7e94faa1492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaecdbcf9d0518f42e0f28ea9d1e3f51.png)
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2023-01-15更新
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9卷引用:宁夏六盘山高级中学2023届高三下学期开学测试数学(理)试题
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5 . 已知函数
(
)
(1)求
的最小正周期和值域;
(2)求函数
单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a463cdad77d8c0301581619f29d541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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6 . 已知函数
.
(1)若
,求
的极小值.
(2)讨论函数
的单调性;
(3)当
时,证明:
有且只有
个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab8597cbe2e973bcb324b9a0ad9ea0a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
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7 . 已知函数
的部分图像如图所示.
![](https://img.xkw.com/dksih/QBM/2023/3/4/3187375505604608/3231744411492352/STEM/04cd2d64dad343478bf704587d8e6778.png?resizew=175)
(1)求
的解析式及对称中心;
(2)先将
的图像纵坐标缩短到原来的
倍,再向右平移
个单位后得到
的图像,求函数
在
上的单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70cd5aac42a8a9b8a158df0ad08442c5.png)
![](https://img.xkw.com/dksih/QBM/2023/3/4/3187375505604608/3231744411492352/STEM/04cd2d64dad343478bf704587d8e6778.png?resizew=175)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)先将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241a7aa763f03138c80caf357fa8fec2.png)
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解题方法
8 . 设函数
.
(1)解不等式
;
(2)令
的最小值为
,正数
,
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44df34bc268e84d5e444d895eb9f9ec4.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671232844b3c59b20393361d7b18f0d4.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6f283b59df957b95bee4a502228421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95124eaa140829a224e33886b3608643.png)
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7卷引用:宁夏六盘山高级中学2023届高三下学期开学测试数学(理)试题
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解题方法
9 . 已知a,b,c分别为锐角
内角A,B,C的对边,
.
(1)求角B;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e46c03e231fdb1046e7846ab3de4dfd.png)
(1)求角B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4fb8aa689b233913e11e67be7dbd6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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7卷引用:宁夏石嘴山市第三中学2024届高三上学期开学检测数学(文)试题
10 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896a82b7b8463c93b5db2798444819d0.png)
(1)求函数的定义域;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896a82b7b8463c93b5db2798444819d0.png)
(1)求函数的定义域;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f103fbd4ed17b0e2720fd7e4b51696.png)
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2023-03-16更新
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