解题方法
1 . 若直线l的参数方程为
(t为参数),则直线l的倾斜角的大小为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133175cfb2e632875a8d4fa8ed52591b.png)
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21-22高二·全国·课后作业
2 . 已知向量
,
,
,
,
,求:
(1)
,
;
(2)
,
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994cd5d153b4954fd6b29c50aac57e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2758fb5880cef98c5eca9888c158721a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeefb3875c7fd8466418cc23b05072bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1344b3f1f883b25ea05a46437cbc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca4fe83c7e0cf40d57c9b536f6dd4f0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e6f6adbc2bfad4ab60797dfd401145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8242d090b327f3f4eeac747a8f33cc15.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9981a1d2e7c757ac2b8641703eaf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca1d5c5d8ad38ee1b60adbfa0de1d51.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d617f599843e66cee0f5b9d474096c6.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a6dc4ea151a363769911a45b692621.png)
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2022-03-05更新
|
63次组卷
|
3卷引用:3.2 空间向量运算的坐标表示及应用
(已下线)3.2 空间向量运算的坐标表示及应用北师大版(2019)选择性必修第一册课本习题第三章3.2空间向量运算的坐标表示及应用北师大版(2019)选择性必修第一册课本例题3.2 空间向量运算的坐标表示及应用
21-22高二·全国·课后作业
解题方法
3 . 如图,已知三个平面
相交于点O,且
,求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8234872407bafee99086252dfe436b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74ef7630e75be43e4b5f4dbe429229e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa3a310c1f8a5af35dc3328d874e18e.png)
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21-22高二·全国·课后作业
解题方法
4 . 如图,已知
是正方体,E,F分别是棱
的中点,求直线
与
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5307e04a84a0621e4d5bd2aaa1980ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
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21-22高一·全国·课后作业
5 . 用计算器或计算机软件求出以下各式的值(精确到0.001).
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67433bb77a481b1725961f2c5b0a8ce7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ab98c8f37ec85ad09d1e2dc1780531.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3323af0b4b74440d27575acd0a9140f8.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5396b773fe22e8c1b213d4a36e145c0f.png)
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2022·上海·模拟预测
解题方法
6 . 如图,在圆柱
中,底面半径为
,
为圆柱
的母线.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/f359bae5-810a-4150-82bf-f93bb0fc6a0d.png?resizew=130)
(1)若
,
为
的中点,求直线
与底面的夹角大小;
(2)若圆柱的轴截面为正方形,求该圆柱的侧面积和体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/f359bae5-810a-4150-82bf-f93bb0fc6a0d.png?resizew=130)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c21b1fea7d5458f764b29a11297ed83.png)
(2)若圆柱的轴截面为正方形,求该圆柱的侧面积和体积.
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解题方法
7 . 如图,在正方体
中,点M,N分别是
,
的中点,求直线CM与
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1859959fdb4c5edd8056893f94a10a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9932b14d1f7f381263281a50100c27b.png)
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2021-12-05更新
|
149次组卷
|
4卷引用:甘肃省定西市岷县二中2017-2018学年高二下学期期中考试数学(文)试题
20-21高二·江苏·课后作业
8 . 如图,在正方体
中,O是底面ABCD的中心,M是
的中点.
是平面
的法向量;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1129c691c26af951624cdc8f77ee9185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aace2c8c65b870556fa5dfbe9478aeb.png)
您最近一年使用:0次
2021-12-05更新
|
257次组卷
|
3卷引用:苏教版(2019) 选修第二册 名师导学 第六章 6.3.3 空间角的计算
9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e4d2bcf4cdaab2a07ddf3640bb7ffa.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccde6fd53e16c5abe5b333fa117d6c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e4d2bcf4cdaab2a07ddf3640bb7ffa.png)
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10 . 下列等式中,正确的有______ .(填写所有正确等式的序号)
①
;②
;③
;
④
;⑤
;⑥
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb86f92b0d2bd3948f6f02a08a6f35d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf84877ff8763f1d315db705b5c237c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/861bd69fbfe0baa1379a8c4b5b6ce905.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bc92abc108eff6bcb282eff47583ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005228af05b4c39a4298b929e6570db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c00268a3bcf782eca7b1d9b92556748.png)
您最近一年使用:0次