已知
,
,
其中
,
为锐角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d552becdb249c29ef8eb3ce563850ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9518cf54c4291915dd22a0e652a3f9d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969ee004b0325a64e66805f13acb294b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f40b659cbbab89caae9c1a40acaca3.png)
22-23高一下·四川眉山·期中 查看更多[4]
四川省眉山市仁寿县2022-2023学年高一下学期期中联考数学试题重庆市2024届高三上学期9月月度质量检测数学试题(已下线)专题13 三角恒等变换压轴题-【常考压轴题】(已下线)考点10 两角和与差正切公式的应用 --2024届高考数学考点总动员【练】
更新时间:2023-09-21 23:47:48
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【推荐1】已知α为钝角,β为锐角,
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a892dbcef7934d97016bb190d94e0bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d10858dcad470737a42be96c940bb15.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6717866ce0de2a1b7030373d74e2774.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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【推荐2】已知角
的终边过点
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c509fb6a1fa3ae9e4bceb3fc2dc08b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d181b9371c5543bdb1df2b0d6eefb7fe.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7097527e2e301dd27ad11a7a4d97a950.png)
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【推荐2】如图所示,在平面直角坐标系
中,以
轴的非负半轴为始边作钝角
和锐角
,它们的终边分别与单位圆交于
两点,过
分别作
轴于点
轴于点
,线段
的长分别为
.
![](https://img.xkw.com/dksih/QBM/2022/8/1/3035110101377024/3044894771699712/STEM/5b068acc75a44a308f6f8fd73bf8a8ba.png?resizew=213)
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8178c63d125ee6235feeb2fc70d02745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038e67697eca97f447ad57bafcfdb95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268544817735d20ffbceef3b26db5dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e672fda6ea1e0f8e13ea22eb5cac2b1.png)
![](https://img.xkw.com/dksih/QBM/2022/8/1/3035110101377024/3044894771699712/STEM/5b068acc75a44a308f6f8fd73bf8a8ba.png?resizew=213)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1838e51cb07b4cbec2f3b546ead645d8.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2deee3250f8fdccd02b472670dd23653.png)
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【推荐1】已知方程
(
为大于1的常数)的两个根为
和
,且
,
均在区间
内,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6183751a0e217275823b35f5e9efc822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f35152720e43c6403d43bef47c0377d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a80708bb56041678e6256ca37ec2355.png)
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【推荐2】已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f4cb613d7f729ae3e64ae0d1a2463d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4182bded1a0d1ba3460df7040d4377.png)
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【推荐1】已知函数
(
)图象的相邻两条对称轴之间的距离为4.
(1)求
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的单调增区间;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04aae019aa527f84c334d436b2bf6986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c179837e9b89c8f8a34c0dc99bfb530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dbc4b6ecd12c1c24863eb508532f477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca256d5d2bc5da2e0645efd82c8d858.png)
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适中
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解题方法
【推荐2】已知
都是锐角,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd73797aaf7fe1a7c118cc5f4e08eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ce1894ae68cf64a3b4ff5c07ae17f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e67eda277df66811ddd5bb48ececa2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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【推荐3】已知函数
.
(1)求
的最小正周期;
(2)若
是锐角,且
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的正弦值;
(3)在锐角
中,角
,
,
所对的边分别为
,
,
,若
,
,求
周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab429ffcdc0a044bb364c8ef0d7b3907.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f2f84ea91c116940c73fdba72f6816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)在锐角
![](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)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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