1 . 已知角
的顶点与原点重合,始边与
轴非负半轴重合,终边在直线
上,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ab55147ca5c0f958af43b0637ee31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd6660372ca1ccc1b252b24e5406a9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 如图,
中,
,
为
的中点,以
为圆心,
为半径的半圆与
交于点
,
为半圆上任意一点,则
的最小值为
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/67c3532aa060424ab2d70b374ea0ba01.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/b3cd01e5555d42b38ce01dda0634b8c2.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/f1a5179642934382a16dced8feffb763.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/0eb26a58b8bd4f12ab653bca0f3a0c76.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/4185d01d2d814c77a74e5d979c4a0491.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/0eb26a58b8bd4f12ab653bca0f3a0c76.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/47f315cb7928412c8cf4f76996c4af52.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/4185d01d2d814c77a74e5d979c4a0491.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/867ad0cb2e42473f908df292e1c711a9.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/c0b38be6a417478e8da6fbe60ad66463.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/3ccdf30615384b5098eb2968d8e40e32.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731632128/STEM/67c3532aa060424ab2d70b374ea0ba01.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知函数
的定义域为
,值域为
,则
的值不可能是
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731550208/STEM/8fcf7bfb00c14bcdac424838307552dc.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731550208/STEM/5e5b790a3e124f03a81456b5fcade035.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731550208/STEM/5cba922bb88741189148b57dd3dd1610.png)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572683725635584/1572683731550208/STEM/cd4fc6f1154145cc883f17a8cb3f4048.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 设平面向量
,定义以
轴非负半轴为始边,逆时针方向为正方向,
为终边的角称为向量
的幅角.若
是向量
的模,
是向量
的模,
的幅角是
,
的幅角是
,定义
的结果仍是向量,它的模为![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/87be11bc833d44a79f56ea8777192f21.png?resizew=13)
,它的幅角为
+
.给出
.试用
、
的坐标表示
的坐标,结果为_______ .
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/034f79bc81274a9f8c2c95b3b9fae822.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/b959cdb324bf4c2f9e3fc013ba72d3a1.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/aa7b8c111b4e4b748d7a532c9248077b.png?resizew=25)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/94f88f6045084bdfbb9ff4987a6c0596.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/87be11bc833d44a79f56ea8777192f21.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/94f88f6045084bdfbb9ff4987a6c0596.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/fb7849166cd14d129ca7d2a3c995640e.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/5ec5e81a151b4719a6e87d83ca970eb8.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/94f88f6045084bdfbb9ff4987a6c0596.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/2f23553557e0455299a60a29951799bd.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/5ec5e81a151b4719a6e87d83ca970eb8.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/3fffdace112b454c8a7c070aadfa5f91.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/f3af8d76e4824951980c0a8474e7d7a2.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/87be11bc833d44a79f56ea8777192f21.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/fb7849166cd14d129ca7d2a3c995640e.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/2f23553557e0455299a60a29951799bd.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/3fffdace112b454c8a7c070aadfa5f91.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/5d9b1a7b255f4a5cb9d3087bcfa798b6.png?resizew=123)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/94f88f6045084bdfbb9ff4987a6c0596.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/5ec5e81a151b4719a6e87d83ca970eb8.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001625088/STEM/f3af8d76e4824951980c0a8474e7d7a2.png?resizew=39)
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5 . 梯形
中,
,则![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001387520/STEM/4f9a1c6d74194fa7b30d4827f1205b44.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001387520/STEM/e9e38fca3b94463abba39c0fca55babc.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001387520/STEM/92910b2b1e3a49e9bfea07d6189d31b1.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001387520/STEM/4f9a1c6d74194fa7b30d4827f1205b44.png)
A.![]() | B.![]() | C.![]() | D.不能确定 |
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6 .
的值为
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572673995808768/1572674001330176/STEM/631d88ad1d0d49398477db9cbc09c739.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 将函数
的图象向左平移
个单位,所得到的函数图象关于
轴对称,则
的一个可能取值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3bb646ac85e201aea3b63612190390f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cada4595e617c68c84c8081c2f70dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cada4595e617c68c84c8081c2f70dcb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 若向量
,且
那么
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbd00d6842f69f13389b3109e1fce8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a813427296249e7be25b02d8853704c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924bf42fcc17570a8466740ce51e2e2e.png)
A.-1 | B.1 | C.-2 | D.2 |
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9 . 在平面直角坐标系
中有不共线三点
,
,
.实数
满足
,则以
为起点的向量
的终点连线一定过点
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/8fd2ec59051647e9a14d75691146a6df.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/df816f4bfb38458898bed72771ca2e2d.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/ff7aabbf4fbe414eac2f74a5f0ea5165.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/2d74b869c8ec439e9c71b34340deb807.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/7ce48307abc6497286131f1dd6bb23d1.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/3a82c15d97664a63a57cef2ba1ec7f3f.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/cf7bd5a5fe1c43e68a9e043d784afbeb.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/3bd042626f324ba78a3f81316daa027f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知在平面直角坐标系
中,角
的终边在直线
位于第一象限的部分,则![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/86b3f28384b64a5896f0674ad2e71809.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/081821985962441ead830418c7563a80.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/3fb965f0a68147caa2c1f8ac68f93d97.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/a8016a55e44f4cac8491ac415f6c814f.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/86b3f28384b64a5896f0674ad2e71809.png)
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