名校
解题方法
1 . 如图,圆O的半径为2,l为圆O外一条直线,圆心O到直线l的距离
,
为圆周上一点,且
,点P从
处开始以2秒一周的速度绕点O在圆周上按逆时针方向作匀速圆周运动.__________ ;
②t秒钟后,点P到直线l的距离用t可以表示为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cb404f279949867a66f8fa5f34bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6633e72e29802bcce8ffe7d5d3b3215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
②t秒钟后,点P到直线l的距离用t可以表示为
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2卷引用:北京市人大附中2022-2023学年高一下学期期中模拟数学试题
2 . 已知扇形的半径为
,扇形的弧长为
,则该扇形的圆心角为__________
,扇形的面积为__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff748d864eeeefef79124c297c0675c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc908e0bf5179d3de21907b0d016cbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
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3 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
_____ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d61736eaba871ceff6d5ac5b5a139af.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb9ab438f47bbc133fed7c894e9bffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d33658e09092e727b0035825036fc8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d61736eaba871ceff6d5ac5b5a139af.png)
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4 . 已知函数
.则函数
的一个零点为__________ ;若
,使得
,则
的最小值与最大值之和为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1015fdf856502bb2c106f12b8f835fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be4930977d0f6d0c121bd80bee2f79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
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5 . 在
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ ;若D为BC中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16354b255e8f3d249266b27a42ca0b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
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解题方法
6 . 已知扇形的圆心角为
,所在圆的半径为
.若
,
,扇形的弧长为______ ;若扇形的周长为16,该扇形面积的最大值______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cf714ffb3fd5917a76b191640b55fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2650f336973e5d3aec1158a4d813bd36.png)
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2卷引用:北京理工大学附属中学2022-2023学年高一下学期3月月考数学试题
名校
解题方法
7 . 已知
是关于x的一元二次方程
的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323641a77c516a7100ce600e143ad0ba.png)
__________ ,m=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6aad40c02d5217af4535853938065b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741624fedc93048a1fd68c4158cd2c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323641a77c516a7100ce600e143ad0ba.png)
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2卷引用:北京市第六十六中学2022-2023学年高一下学期第一次质量检测(3月)数学试题
8 . 在
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
__________ ;
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52feacd23b361d0eee236d68232db4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ecc3aaae2aa289591a3b632f1e0645.png)
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5卷引用:北京市房山区2023届高三一模数学试题
名校
9 . 如图为大型观览车在直角坐标平面内的示意图.
为观览车的轮轴中心,点
距离地面的高度为
,观览车转轮的半径为
,其逆时针旋转的角速度为
.点
表示观览车上某座椅的初始位置,且
,此时座椅距地面的高度为__________
;当转轮逆时针转动
后,点
到达点
的位置,则点
的纵坐标
与时间
(单位:
)的函数关系为__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c857aaa8fc6074c0d499298451e4e737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1611d15c7e1e4ab4a4a61537b3989d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2362096fa475a1051827bddcdcac22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63033738ec5e7a227f4c9478a5ca66cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1a48b92c61d209d0556e4cd8fdb70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7441c7d2bca7b0325fc28a8077fb790.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/d1aae9af-24ca-49f1-b311-f09e3d60c3f4.png?resizew=202)
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2卷引用:北京师范大学第二附属中学2022-2023学年高一下学期3月月考数学试题
10 . 设
,其中
.当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7e2d3929980cba9f153e991cf4bfe8.png)
____ ;当
时,
的一个取值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca8c98a5587bdbb372d412e92029b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6ce73930391278b35e97d58226aacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64998ca9cdcc43498d3d0499af984b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7e2d3929980cba9f153e991cf4bfe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19efd2f2662ca444c784b69e35f53120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
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5卷引用:北京市西城区2023届高三一模数学试题