名校
解题方法
1 . 如图,四边形
由
和
拼接而成,其中
,
,若
与
相交于点
,
,
,
,且
,则
的面积![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e94ad55dc9a32da386cf9433c5c843c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab5c45a72849d2cae1d65b282b5bd19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1f4f255d191786f7d330d278868c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfb932500348c2f1e4f6ce9201dd8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
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2024-05-23更新
|
830次组卷
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2卷引用:重庆市巴蜀中学校2024届高三下学期高考适应性月考(九)(4月)数学试题
2 . 在
中,角
,
,
所对的边分别为
,
,
,函数
,
图象的相邻两对称轴间的距离为
,且
,将
的图象向右平移
个单位得到
的图象且
,
的内切圆的周长为
.则
的面积的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955ca969ad6b6dc13476bcd8550d42da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5b5fb8b188cadc60e43c8f8dcb5f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a88f2d9bcb8fa1240b06272db8994f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
3 . 高斯是德国著名数学家,近代数学奠基者之一,享有“数学王子”称号,他和阿基米德、牛顿并列为世界三大数学家,用其名字命名的“高斯函数”为:设
,用
表示不超过x的最大整数,则
称为高斯函数,例如
,
.已知函数
,函数
,则下列4个命题中
①函数
不是周期函数;②函数
的值域是
;
③函数
的图象关于
对称; ④方程
只有一个实数根;
其中全部正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f161c2a3717f1b6c62d0d7dae0b606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b7f26fe1977bda9de200debe99f020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810007b04c5d4a231d9b1063cb170116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ba8096d112966e08fa50b6bbc613d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfc47c74df6e203349793c7009f04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4d549992fdd4a1a57b46e56d4e1875.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cb03b1d99872b6fe877e1ee5141418.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec25b105130d71d3d529524671b6218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e688d3ca6190b722b4b0858120e0bd3.png)
其中全部正确结论的序号是
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解题方法
4 . 记
的内角
的对边分别为
.已知
,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a92cfa82ed0e7652b482635e72a84ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc940e481607daedc1e83e98ec3bd4c0.png)
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2024高三·全国·专题练习
5 .
的周长为18,若
,则
的内切圆半径的最大值为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888e7899a7d6b769a2151154d18ac1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
6 . 球面上的三个点,每两个点之间用大圆劣弧相连接,三弧所围成的球面部分称为球面三角形.半径为
的球面上有三点
,且
,则球面三角形
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b7c1356f8e66f93d414b2a91e87cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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7 . 如图,某人在垂直于水平地面
的墙面前的点A处进行射击训练.已知点A到墙面的距离为
,某目标点P沿墙面上的射线
移动,此人为了准确瞄准目标点P,需计算由点A观察点P的仰角θ的大小.若
,则
的最大值是__________ .(仰角θ为直线
与平面
所成角)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e1f24575fc73daa73680222cefc4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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2024-05-14更新
|
304次组卷
|
15卷引用:2015-2016学年四川省雅安中学高二10月月考数学试卷
2015-2016学年四川省雅安中学高二10月月考数学试卷湖北省宜昌市葛洲坝中学2018届高三9月月考数学(理)试题2018年春高考数学(理)二轮专题复习训练:专题三 立体几何与空间向量(已下线)2019年一轮复习讲练测【新课标版理】4.7 正弦定理和余弦定理的应用【练】(已下线)2019年一轮复习讲练测【新课标版文】4.7 正弦定理和余弦定理的应用【练】(已下线)2019年一轮复习讲练测 4.7 解三角形及其应用举例【浙江版】 【练】人教A版 成长计划 必修5 第一章正弦定理和余弦定理 高考链接四川省双流中学2021-2022学年高三上学期10月月考数学(理)试题2四川省双流中学2021-2022学年高三上学期10月月考数学(理)试题1安徽省合肥市肥东县综合高中2021-2022学年高三下学期期中文科数学试题(已下线)第五篇 向量与几何 专题17 三正弦定理、三余弦定理 微点1 三正弦定理、三余弦定理(已下线)高一上学期第一次月考填空题压轴题50题专练-举一反三系列(已下线)专题09 三角函数填空题(理科)-2(已下线)【数学建模】三角应用 彰显成效(已下线)【高一模块一】难度8 小题强化限时晋级练(较难2)
名校
8 . 已知O为坐标原点,过
作x轴的垂线交直线
于点B,C满足
,过B作x轴的平行线交E:
于点P(P在B的右侧),若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b83f1d8113e5f09c32c4e4ecab99eb9.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527e730b300cfbbecb7dea73d9a6475a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a41f9140163ef39a997211d6c3f7109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b83f1d8113e5f09c32c4e4ecab99eb9.png)
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解题方法
9 . 在
中,
,
,
,
为线段
上的动点,且
,则
的最小值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e9cae1206622aec8a23c53f32fbe31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3a6cc0c4b974797a0bb7d7997a3261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef98fdbaa33fc752c802e833f8b08a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2983c8439f11f62baa309b20eb573bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7e12253044b5abff2a56dcd730ced8.png)
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名校
解题方法
10 . 如图,在平面四边形
中,
,对任意实数
都有
,若
为
的面积,且
,
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6cd645dc20fe84351409216b01fc97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130fca17859fc262f24ea769537c6468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61fda819f0b890ee07fae86000b8915d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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