2024·全国·模拟预测
解题方法
1 . 记
的内角
的对边分别为
,
,
.
(1)求
;
(2)若点
在边
上,且
,
,求
的面积.
![](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/4295d2bd5ed97a1d57ef84b6bf522430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f1dae5d3fc87bc555245137a1a455e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdb56686128f5c3cd2a46bab09082e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeac1c6b607329ad9be8f1fc02073d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2 . 在①
;②
;③
的终边关于
轴对称,并且
这三个条件中任选一个,补充在横线上,并回答问题.
已知第四象限角
满足__________,求下列各式的值.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d26af14102c80176c9928841c81bf8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45f893af4ed9be6f030ce055dee9b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b4cab645c97f6d1710f803ef6a8436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ac7d30e370df24c0bda1da70880709.png)
已知第四象限角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d26af14102c80176c9928841c81bf8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6392d321da201799d4f6dec7b16dcd7b.png)
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解题方法
3 . 在
中,三内角
对应的边分别为
,且
.
(1)求角
的大小;
(2)若
是锐角三角形,求
的取值范围.
![](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/848a2a00b36732ee260683bace1a44cd.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
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解题方法
4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88c41808f6ac9accec05e451be657f9.png)
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88c41808f6ac9accec05e451be657f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3428e6c2cfda4669751552ea1b0770ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b4f4cd0b9c4cfed756bc8d58c9caf1.png)
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解题方法
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10be94e1a3c85b3d27a019e5cd73012.png)
(1)化简
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10be94e1a3c85b3d27a019e5cd73012.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa050a5c511a4d16134b17f4ac31337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d672e0add9896edc5a0d38bd2c52c2f.png)
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解题方法
6 . (1)直接写出下列各式的值.
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c503a9ff500fcdb74a56086b174100b.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f0ff8fbc4789baf2d6de84cd6ade5eb.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb8a730dd30672ee0fa2c6272a911e9.png)
(2)结合(1)的结果,分析式子的共同特点,写出能反映一般规律的等式,并证明你的结论.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c503a9ff500fcdb74a56086b174100b.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f0ff8fbc4789baf2d6de84cd6ade5eb.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb8a730dd30672ee0fa2c6272a911e9.png)
(2)结合(1)的结果,分析式子的共同特点,写出能反映一般规律的等式,并证明你的结论.
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解题方法
7 . 已知中,内角A、B、C的对边分别为a、b、c,且
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea43cdd29ad1e9d4658072c68097aa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
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8 . 在
中,
.
(1)求
的大小;
(2)若
,求证:
为直角三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e963905c55e7bea7af874fb68ccf19.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8607bde1fa6cde631a46e921d959a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-03-26更新
|
725次组卷
|
4卷引用:北京市第一六六中学2023-2024学年高一下学期3月月考数学试题
北京市第一六六中学2023-2024学年高一下学期3月月考数学试题(已下线)模块五 专题三 全真能力模拟1(高一期中模拟)(已下线)模块五 专题3 全真能力模拟3(北师版高一期中)四川省内江市第二中学2023-2024学年高一下学期期中数学试题
解题方法
9 . 在平面直角坐标系
中,已知角
的终边经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b5814cbea98f04a0aa3f0cb2d93796.png)
.
(1)求
、
、
的值;
(2)设
,角
的终边与角
的终边关于
轴对称,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b5814cbea98f04a0aa3f0cb2d93796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5bb89c3ad435f1ef59307b174105ed.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800db22e042a298041eda8b0c72abb7c.png)
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10 . 在
中,已知
.
(1)求
的大小;
(2)若
,求函数
在
上的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d2d8c61b1b1ecc16947d6de2ed19be.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093db5b63dfd1ac4c84692a168f7ace0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76df1143faeca7c25e75075e57e620ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af46e7742b81527867de26c973c67b00.png)
您最近一年使用:0次
2024-03-14更新
|
1540次组卷
|
3卷引用:湖北省八市2024届高三下学期3月联考数学试卷