21-22高一·湖南·课后作业
解题方法
1 . 已知
是第四象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7197cd82cc675b3b639e8b948a8103fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519c1eca13da6729856cf6de472914e9.png)
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21-22高一·湖南·课后作业
2 . 已知
,其中
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c8029275272bb6c40e871e7a7052d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2cdeafc16bc483c63d2fc797136a6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
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21-22高一·湖南·课后作业
解题方法
3 . 已知
,
是方程
的两根,求
的值.
![](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/5d389e45638223ee9591c067b4ff1a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
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2022-02-22更新
|
202次组卷
|
4卷引用:2.1.3 两角和与差的正切公式
(已下线)2.1.3 两角和与差的正切公式苏教版(2019)必修第二册课本例题10.1.3 两角和与差的正切湘教版(2019)必修第二册课本习题 习题2.1(已下线)2024年新课标全国Ⅱ卷数学真题平行卷(基础)
21-22高一·湖南·课后作业
4 . 已知
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f8783429be686df75afcd56e847dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59293fd84aa30bd783d0f89e7c52e40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15112d82b0eb93b7a9394cf0425e0023.png)
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21-22高一·湖南·课后作业
5 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dc4bcd495dfad7cb974d4b4e343057.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a426ac1928ed476d193fd9633201b07f.png)
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21-22高一·湖南·课后作业
6 . 已知
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7e5571fc99aa43bf12e728a8a7014e.png)
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21-22高一·湖南·课后作业
7 . 求证:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7116a4e83da4b4e7321dde5fb054d2b5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40d94fa60babeadf860242c0bbd20fb.png)
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21-22高一·湖南·课后作业
8 . 求下列各式的值:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6914c9550be5be59197a03d1bb8ef1e5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425a0181a1f1b57316f59f21df038533.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d1b51cafb8e49bbf982b0b09717395.png)
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21-22高一·湖南·课后作业
9 . 已知
,
,且
,
均为第四象限角,求下列各式的值:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d33658e09092e727b0035825036fc8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e4fc7489911b0da3cc5d7194d9c6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3884b343d76a26b4b85b48987d7064.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb006ea697b63a914eb487073f0abe1.png)
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21-22高一·湖南·课后作业
解题方法
10 . 求下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7726aaf5c3363f9c1a1b1d3ebeea8f87.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ad9afb134b66832ea55121022cbdf6.png)
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