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1 . 已知
为虚数单位,复数
满足
.
(1)若
,求复数
的辐角主值;
(2)若
,复数
满足
为实数.则复数
在复平面上所对应的点的集合是什么图形?说明理由.
(3)已知复平面上点
对应的复数分别为
.记复数
的辐角主值为
.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a491320664d2f5bab356117541b83347.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1089162a06a53efac3a30f60f4e3b76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cad1818490526d558c914a1938becc1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619adeb9313fcd751282961292d59854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7408c9a6328cc085608bbcfd9cce4e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)已知复平面上点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c851465a30dd28567031e4773cd5deb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f638c4517048807bfbc3d82044b370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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2 . 如图,在四棱锥
中,底面
为正方形,
平面
,
为
上的中点.
平面
;
(2)设
,求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30067b7b236d17af8a462f96a58d11bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7b6d04f024ca05cdfacc8ce9137c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbeab80976db9b4689b9446cda06196a.png)
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2024-04-26更新
|
532次组卷
|
3卷引用:上海市金山中学2023-2024学年高二下学期5月月考数学试卷
上海市金山中学2023-2024学年高二下学期5月月考数学试卷上海市复兴高级中学2023-2024学年高二下学期期中考试数学试卷(已下线)专题03 空间向量及其应用全章复习攻略--高二期末考点大串讲(沪教版2020选修)
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3 . 满足等式
的解为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d3ade1d196a4964f5d6a27a48ce23a.png)
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2024-04-24更新
|
148次组卷
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2卷引用:上海市闵行第三中学2023-2024学年高一下学期3月月考数学试题
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4 . 直线
:
,
:
它们的夹角为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc55493e85619b1ee5290e3703803ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f209e684fc2ae023757d0657562fb7c.png)
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2024-04-10更新
|
248次组卷
|
2卷引用:上海市市北中学2023-2024学年高二下学期阶段测试(3月)数学试题
5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36133b6656f7013db6e64497d4dd231.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36133b6656f7013db6e64497d4dd231.png)
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解题方法
6 . 已知
.
(1)求
的值;
(2)计算
及
的值.(用反三角表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f064ab803fac0a8390958c281bb3eac8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5653b4620620d07b555e4a6c9ff91f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dd0c52aca1675c17b9a019aa7901e3.png)
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7 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c92e381d7e8f7f97374bbef1ab18c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5c9dd749202f50f605cc804bedbe1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知椭圆,其中
分别是椭圆的上、下顶点,
是左顶点,
为左焦点,则直线
与
所成角大小为
您最近一年使用:0次
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解题方法
9 . 如图所示,为了制作一个圆柱形灯笼,先要制作4个全等的矩形骨架,总计耗用9.6米铁丝,骨架把圆柱底面8等份,再用平方米塑料片制成圆柱的侧面和下底面(不安装上底面).
(1)当圆柱底面半径
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)在灯笼内,以矩形骨架的顶点为点,安装一些霓虹灯,当灯笼的底面半径为0.3米时,求图中两根直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335167cc34e77023b78f63d5a8210ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1662de553676a4e19e242af7f0fcbf2.png)
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解题方法
10 . 如图,已知圆锥的顶点为
,底面圆心为
,高为3,底面半径为2.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/8cd31260-ae23-4c7c-8853-344c546e622e.png?resizew=166)
(1)求该圆锥侧面展开图的圆心角;
(2)设
、
为该圆锥的底面半径,且
,
为线段
的中点,求直线
与直线
所成的角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/8cd31260-ae23-4c7c-8853-344c546e622e.png?resizew=166)
(1)求该圆锥侧面展开图的圆心角;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b9931cfb6a0ba33cb6e11e569a8cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
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