1 . (1)计算:
;
(2)设
化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea8fe7f6792f355381a49d308a675a2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9122213db0bcfbaf4e7967840aea26dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0117542be0e1047acbfe3faf218222.png)
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2 . 化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df50d7a53be0e0a93d5443490fc75bc2.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df50d7a53be0e0a93d5443490fc75bc2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be9e94080d2a04683486ff7596c48e4.png)
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2023-08-08更新
|
212次组卷
|
3卷引用:江西省宜春市丰城市东煌学校2023-2024学年高一下学期6月月考数学试题
江西省宜春市丰城市东煌学校2023-2024学年高一下学期6月月考数学试题新疆乌鲁木齐市第三十六中学2022-2023学年高一下学期期中考试数学试题(已下线)第08讲 5.5.1两角和与差的正弦、余弦和正切公式(第1课时)(1)-【帮课堂】
3 . 化简求值.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b30ae7a9d6d017b1907fd95bc514b44.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b30ae7a9d6d017b1907fd95bc514b44.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ee4662c61a8eb1201162835455c982.png)
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名校
解题方法
4 . 已知函数
,
(1)化简
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0563a62bb321c9a6a3c8b1ca16cfe2d1.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d3225dc94f540306b55c70d600744d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6903b82a5c6b80a590a5fcb801288a.png)
您最近一年使用:0次
名校
解题方法
5 . (1)化简
;
(2)已知
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2a98b34cd6192468bc35e4956a05bb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb90f0294dfff41f05b0fc64d7a06e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012ace584fa6fe72884eef5003a0de46.png)
您最近一年使用:0次
2023-06-21更新
|
851次组卷
|
4卷引用:江西省宜春市高安市灰埠中学2022-2023学年高一下学期7月期末数学试题
名校
6 . (1)已知
,化简:
;
(2)已知
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a17491898e262bf44270327387e38ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5ed07a38e965f998958801086c513f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd24c8f0c65cb162074dd487f1dfe0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009f499bd63e2abcdad449710ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80493d763d23b64e24cf758d6197f225.png)
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2023-05-20更新
|
439次组卷
|
3卷引用:江西省赣州市大余县九师联盟联考2022-2023学年高一下学期5月月考数学试题
名校
解题方法
7 . 求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ee8462023acd8dee8a476efcb7916d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5a662d0527af6e931cee23f2dd0379.png)
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8 . 已知
.
(1)化简
;
(2)若
是第三象限角,且
,求
的值;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e919e9116c1468ebb5298dd9def5523.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4054967667c435aa4480450d02937d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4db62ee009cfe7ee120f4627a6e41c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/682e85b6444bc89758e44cf6d26f95e3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f64ddd54c58beed5664c3aecfddc253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ba6b6ee00c4b2763cb3fa59caa69f.png)
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解题方法
9 . 已知
,求值:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b477d60a4a214fa3073d5f996de93975.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220b6c9804bdd639510267baa9c1a508.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a6f696f8fa38284f121ac1dcf0389a.png)
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名校
10 . (1)化简:
.
(2)求值:
.
(3)设
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9425b2d567b729467fec9498c183e32d.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349678bf311bf77582444d12907a4428.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aca7f0097fc0562c40375ce6756d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bb6f1d6a053b78c221624885791f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2893bd2a2299d8180f45494ba593d1.png)
您最近一年使用:0次