解题方法
1 . 已知
.
(1)化简
;
(2)若
,求
的值;
(3)解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b4dd76f6c861e6679cb9073cfd6546.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e80cb671b487924bc2653e344845366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bdfc7179ee7be632aede7fad755736d.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa64358d46ac0ce47e3bc71fe028a2e.png)
您最近一年使用:0次
2020-12-23更新
|
458次组卷
|
2卷引用:河北省石家庄市元氏县第四中学2020-2021学年高一上学期期末数学试题
解题方法
2 . 已知函数
,
(1)当
时,求
的值域;
(2)解不等式:
;
(3)若
时,方程
恰有两个不同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2f45af072bf2c68be17e4e7c802987.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97b66e348ff02fc9e7f610d7dfeda5e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec5d200b561e4be52ccaaebdc3105d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b443beea187d5b95eedfda53951a6694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-03-02更新
|
966次组卷
|
2卷引用:河北省石家庄市二南2022-2023学年高一下学期第一次月考数学试题
名校
解题方法
3 . 对于
有如下命题,其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.在锐角![]() ![]() |
D.在![]() ![]() ![]() ![]() |
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2024-05-09更新
|
806次组卷
|
4卷引用:河北省唐县第一中学2023-2024学年高一下学期5月期中考试数学试题
4 . 已知定义域为
的偶函数
,当
时,
.
(1)求实数a的值及
的解析式;
(2)解关于t的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037307afdf87b585a5236429822d4500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ae0047248c0365d57db9a94000cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc5d68161ad23816fcd05ae26cf1f3ab.png)
(1)求实数a的值及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解关于t的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bac68f41b8576016b8cddcb1d1a6d3.png)
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5 . 化简、求值:
(1)求
的值;
(2)已知tanα=2,sinα+cosα<0,求
的值.
(1)求
![](https://img.xkw.com/dksih/QBM/2016/3/23/1572554564231168/1572554570276864/STEM/40a3ebcb9365400fb2a7fe1cdbb4bd56.png)
(2)已知tanα=2,sinα+cosα<0,求
![](https://img.xkw.com/dksih/QBM/2016/3/23/1572554564231168/1572554570276864/STEM/a4d065b03d6f4aeba943d84d2c1167d9.png)
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6 . (1)计算:
:
(2)已知
是第三象限角,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb118b3e9eea26101f6f4ef353edd0e.png)
①求
的值;
②求
的值.
(3)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc5164bc5e5705e7fd6debfff1f20a7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb118b3e9eea26101f6f4ef353edd0e.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed77a5dce1b06476dd157de4866888d.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7daf2ff83cf61d47dcb30a7dd6f72c55.png)
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名校
7 . 已知:函数
,若方程
的所有的解的和为
,则关于
不等式
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440b376f0fb04082afc012b1c0163f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a57478c02a6f20e29d2ae01836a3d9.png)
您最近一年使用:0次
名校
8 . 化简计算:
(1)
;
(2)设
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bebf8472f3764fa1ca597cca561aa.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275afa38f5f1e4a53bd503f3e1b22a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecd5f251e8a94a611cc98d239ff9575.png)
您最近一年使用:0次
2020-08-16更新
|
1245次组卷
|
3卷引用:河北省衡水市冀州区第一中学2020-2021学年高一上学期期末数学试题
解题方法
9 . 已知函数
.
(1)求
在
上的单调增区间;
(2)若关于x的方程
在区间
内有两个不同的解
,
,求实数a的取值范围,并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb6925281531ee0cae3df1e400772f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a8337ba8aa68f9d3aec99e67d743e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a531b9769bfba66a10139b153f09307c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab74fe56a1b9250b0911fe3ef1667bc.png)
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名校
10 . 已知函数
.
(1)求
的最小正周期;
(2)求
的单调递增区间;
(3)若
,求方程
的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5ee8e39553031065003578a1dc3ee5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27794407a3d82a6746f7e0871051f486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad56942439368d413f74e0ab7d9fb23c.png)
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