2024高三·全国·专题练习
1 . (1)化简:
=________ .
(2)化简:
=________ .
(3)设
,且
,则
等于___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414bc7461b921db3553f92f5c237407c.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2298f997eb47651c14a1232fd0617ed.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ffbece8eaa48d6f874ad33257a0da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509f3b3c1900fb5a6370964162760a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024高三·全国·专题练习
2 . 化简下列各式:
(1)
=___________
(2)
(
=__________
(3 设
,则
的值为_____________
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c509d53eb9b5a5e786227ba5efe64c2d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a1944981384882fe2df6910c31a9c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
(3 设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca65d671f250571d8dab75b7f7a3cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f292291fe6a43d3c1b5de0e56edccab5.png)
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2024高三·全国·专题练习
解题方法
3 . 求下列函数的解析式
(1)已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
________ .
(2)已知
是三次函数,且在
处的极值为0,在
处的极值为1,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
______ .
(3)已知
的定义域为
,满足
,则函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
________ .
(4)已知函数
是偶函数,且
时
,则
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
________ .
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52718cd4a4c4002993929b537f4cc5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3109bc484b2c1aa6733f29bc9b1f5b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fcbbfd919fc93377c6f94629d8d7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
(4)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5749bb82edfb623c63ae4ec6b4d43da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
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2024高三·上海·专题练习
4 . 如图,在正方体
中,
(1)
与平面
所成角的大小为______ ;
(2)
与平面
所成角的大小为______ ;
(3)
与平面
所成角的大小为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96946eaa2878fb8433eb2a97797a32b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96c673a2381f118ea2d3efc0bca1f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/2/1fa79f3e-c97f-4b58-9ad6-100f935b02e3.png?resizew=151)
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5 . 如图,我国的一艘海监船在D岛海域例行维权巡航,某时刻航行至A处,此时测得其东北方向与它相距16nmile的B处有一艘外国船只,且D岛位于海监船正东
处.观测中发现,此外国船只正以每时4nmile的速度沿正南方向航行.为了将该船拦截在离D岛12nmile处,不让其进入D岛12nmile内的海域,则海监船的航向为________ ,其速度的最小值为________ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62bde4e7b46d11c496c9a3795c24ade3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51fd2c4780079be8c3a2b82f5554f922.png)
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