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解题方法
1 . 函数
的部分图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d683e1c3d33062f25312db52aad01229.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-01-21更新
|
593次组卷
|
2卷引用:浙江省舟山市定海一中2021-2022学年高一下学期开学考试数学试题
名校
解题方法
2 . 已知
,函数
,
,则图象为上图的函数可能是( )
![](https://img.xkw.com/dksih/QBM/2021/11/9/2847724404318208/2848920397529088/STEM/ac2f60a17a324fff99dcad3c213383d4.png?resizew=275)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb401702b52b3a2410b65d17e31c70e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cb8b38ae1fa25e9d0c8f352c872bb1.png)
![](https://img.xkw.com/dksih/QBM/2021/11/9/2847724404318208/2848920397529088/STEM/ac2f60a17a324fff99dcad3c213383d4.png?resizew=275)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-11-13更新
|
533次组卷
|
3卷引用:浙江省舟山二中(田家炳中学)2022届高三下学期开学考试数学试题
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解题方法
3 . 边长为1的正三角形ABC内一点M(包括边界)满足:
,则
的取值范围为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d789e35be6c0ef817ebf6dbb984dc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebdf218e36e76c42116f5a40c3b8b7c.png)
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解题方法
4 . 已知平面上两个向量
,其中
.
(1)若
,求
与
的夹角的余弦值
(2)若
在
的方向上的投影为﹣2,求
的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7096dcf53e0d2efe2b73ed5eb93b0085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e0178839b14342b7314f03349cabf9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b3eeedab8e159e408ba5635d5bb064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2859333183a1d5749eac25f8b4e3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2859333183a1d5749eac25f8b4e3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
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5 .
若
,求
的值.
计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1cfb376bdfaffef4e6e3e8fc11ba90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b9514e3a04b7290c929f761f4feb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff694944d99ce32cd77a1d487eba29dd.png)
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2019-01-21更新
|
526次组卷
|
2卷引用:浙江省舟山中学2018-2019学年高一下学期开学考试数学试题
名校
6 . 定义在区间
上的函数
的图象与函数
的图象的交点为
,则点
到
轴的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b61198eb8b799c3f3a882666342ad2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3d71a859db5deac4401eb4c8a582f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8883f67daef26ed0cab904edfb22bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428fa9fee4fabc473cfd2d510f54e54.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 下列函数中,周期为
,且在区间
上单调递减的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af6054bce8692ced8f7f0b63fc5f823.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 函数
(其中
)的图象如图所示,则函数
的解析式为_____________ ,方程
(其中
)在
内所有解的和为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef13d95b3197e743136bf450a961163a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ed21a57245da783db72cefa7951b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
![](https://img.xkw.com/dksih/QBM/2018/3/12/1900406595043328/1904166957457408/STEM/6e5b80c7f8054ccea07207efb0511ea9.png?resizew=121)
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9 . 若两个非零向量
满足|
,则向量
与
的夹角的大小为______________ ,
在
方向上的投影为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffe6c2f56cf29b6e37a7a724105936d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614b003a9f14fed694128f681b2f1d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ff655de43e2bfea4ed9ae34e36de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ff655de43e2bfea4ed9ae34e36de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
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解题方法
10 . 如图,在平面内,
是边长为3的正三角形,四边形
是边长为1且以
为中心的正方形,
为边
的中点,点
是边
上的动点,当正方形
绕中心
转动时,
的最大值为( )
![](https://img.xkw.com/dksih/QBM/2018/3/12/1900406595043328/1904166957367296/STEM/4be99301337b4692895402d959bcdca5.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4eba9523912aefb0b68358e0aa2e51.png)
![](https://img.xkw.com/dksih/QBM/2018/3/12/1900406595043328/1904166957367296/STEM/4be99301337b4692895402d959bcdca5.png?resizew=155)
A.![]() | B.![]() |
C.![]() | D.![]() |
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