解题方法
1 . 已知
.
(1)化简
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e02e51a5fdedd82054728e5e4acac0.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735a8486ea59abb08a19a64484ff001b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a39ee003ce154b19561409afdddb7c.png)
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2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac23b1d4633baaf2474431746f8f5201.png)
(1)求
;
(2)求
与
的夹角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac23b1d4633baaf2474431746f8f5201.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576536967639b1821f5e3b07be02c3ce.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5301e013bcb05bbcce0ba5c8dfeb40.png)
您最近一年使用:0次
2023-12-14更新
|
752次组卷
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2卷引用:内蒙古巴彦淖尔市临河区第三中学2021-2022学年高三(体育班)上学期期末数学试题
名校
3 . 计算下列各式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5524832c17e2c8cf9750894b48adfe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f17e70a5aa94ebc9798beb27d154f4.png)
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2024-02-03更新
|
545次组卷
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2卷引用:内蒙古赤峰市林西县第一中学2023-2024学年高一上学期期末测试数学试题(B)
4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7df439dfff0f1c237abc11efaa7e7e.png)
(1)求
的值;
(2)若
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7df439dfff0f1c237abc11efaa7e7e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e59c1afb7dc761f5b373bc820ecff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3dbdeddec1adb9b366689120b63adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551add1157f23f223e6704fd68b9ead8.png)
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5 . (1)已知向量
,
,
,求
;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f56cf721b8b542396049035479583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a44e729a73f8439aa8435bd4ab7a6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9949492c8f8a12d70fa80b8f94ecb272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd84355d0d16772bedbe8de53ddc4093.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d899911a0dc9cea5a0b5a87948fa74.png)
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2022-12-04更新
|
1268次组卷
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4卷引用:内蒙古自治区乌兰察布市衡水卓远中学2022-2023学年高一下学期期中数学试题
内蒙古自治区乌兰察布市衡水卓远中学2022-2023学年高一下学期期中数学试题黑龙江省齐齐哈尔市三立高级中学2021-2022学年高一下学期4月月考数学试题(已下线)第08讲 平面向量的正交分解及坐标表示(已下线)6.3.2 -3平面向量的正交分解及平面向量加、减运算的坐标表示(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)
6 . (1)计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48a14db8639322f8b3da029123eebc0.png)
(2)化简:
.
(3)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48a14db8639322f8b3da029123eebc0.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6cacf91fe4118af82badc53d0575a7.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5c9c7d0ce30d5f98412b4ef8ff984b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9187a835ecfec7aa01dbe30807caf2b5.png)
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7 . 化简并求值:
(1)
(2)
(3)(求导)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa054d5ca5647fe86abcd1aa220bf83.png)
(4)(求导)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb3a6d484f67b6a7bbce46c6f2a7fa6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63bf0d4a132b71874779db15b8746de8.png)
(3)(求导)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa054d5ca5647fe86abcd1aa220bf83.png)
(4)(求导)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2ced0f9a92577cbdf883e940597612.png)
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解题方法
8 . 化简与求值.
(1)若
,化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1fcff1ad46c8e4304833a16540c0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882a6e8f86e28c2382ab50e2c8ab0c0c.png)
(2)已知
,求
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6359b5061b323f92c4c54e3fcdd783bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1fcff1ad46c8e4304833a16540c0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882a6e8f86e28c2382ab50e2c8ab0c0c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff8e8f399db20c51e878b2b4b134793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311f14196b317f72d6efb5eb07ba39c7.png)
您最近一年使用:0次
2022-12-19更新
|
981次组卷
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4卷引用:内蒙古自治区巴彦淖尔市第一中学2022-2023学年高一上学期1月期末考试数学试题
内蒙古自治区巴彦淖尔市第一中学2022-2023学年高一上学期1月期末考试数学试题山东省青岛市莱西市第一中学2022-2023学年高一上学期12月月考数学试题黑龙江省哈尔滨德强学校2022-2023学年高一上学期期末考试数学试题(已下线)模块三 专题7 大题分类练(三角恒等变换)基础夯实练(北师大版)
名校
9 . 计算与化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48380e4cf88dc745595dc8b0b5fa94d9.png)
(2)
.
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991575402310ba36cb3dc1cdd8411ce6.png)
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48380e4cf88dc745595dc8b0b5fa94d9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8fbf2f91a1b694d9d6840b08722d0c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991575402310ba36cb3dc1cdd8411ce6.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e958a2f885f462ad3a0fd06d6a4af71d.png)
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10 . 求值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dcecaeaea39534bb2bb52ad6dd42550.png)
(2)
;
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dcecaeaea39534bb2bb52ad6dd42550.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80edecb32b2e22f9ec27a3d4a7c45590.png)
您最近一年使用:0次
2024-01-08更新
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