名校
解题方法
1 . (1)已知
,
计算求值①
;
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632611a1a72e7fb3acc3e38d523eca57.png)
(2)化简求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
计算求值①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0d45f92a664de19019f5342147af21.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632611a1a72e7fb3acc3e38d523eca57.png)
(2)化简求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519341f320389a4a875660c8a4308367.png)
您最近一年使用:0次
20-21高一·全国·课后作业
解题方法
2 . 解答:
(1)化简:
;
(2)求值:
;
(3)求函数
的最大值.
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d35bd323f144e9dc43325d864ea50e.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c92b32028d5f35cb2d2ef7a81bb14e.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24c819039f2cbdd46690bb56feadde8.png)
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3 . 化简,求值:
(1)
;
(2)已知
,求
的值;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdbef0d73b14d27090f5fa26aec5d79.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc36f1850fb5308496d5a44dcb1bf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6a96b2ff7e31fc9118b2a6a5182425.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8ee976c07dfcaf186e25bd557af75f.png)
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名校
4 . 计算.
(1)求
的值;
(2)化简
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471340a9cc0a9bf6331875d3953b8e78.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb971b3727fa9956b66344ebc44c1d7.png)
您最近一年使用:0次
2023-04-24更新
|
480次组卷
|
3卷引用:河北省石家庄市十五中2022-2023学年高一下学期第一次月考数学试题
河北省石家庄市十五中2022-2023学年高一下学期第一次月考数学试题江苏省盐城市五校2022-2023学年高一下学期5月联考数学试题(已下线)5.5.2 简单的三角恒等变换精讲-【题型分类归纳】(人教A版2019必修第一册)
2020高三·全国·专题练习
解题方法
5 . 计算与化简(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca9c7595fba05badd4a06386c4e397.png)
(9)
;
(10)
;
(11)
;
(12)
;
(13)
;
(14)若
,且
为第三象限角,求
.
(15)
;
;
.
(16)
.
(17)
.
(18)
.
(19)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09599006738185193061aeebbf1cb821.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e19f45a2cd927e7c648e4d7424cc3d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54261c21c5d978e748e624a298e93c6.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b059ee2caa54f543f6f4ac434e7fc6.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad080e193816c5c36b242629d54b330.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232af20ef49e5c6570d5122e1852d296.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5031697bd21808eeeb8088c7e280b02.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca9c7595fba05badd4a06386c4e397.png)
(9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26499a51c021d2c31b49c7367ef337c3.png)
(10)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0518c8be9aa7f7ab14f04e9f0de519ac.png)
(11)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c282fc2e11865f622e744afbb53249.png)
(12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a80dce899037554539b28a5254ba1aa.png)
(13)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981390f1e8796cb0ad465471cb8adabe.png)
(14)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c379958a73f9d62c97bb3e1ce694b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
(15)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd1841cf65acfe091390ac75d6e122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d912a7dfd0293184e8183e8cc6964b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a07612488df6c34db0931d900777d5a.png)
(16)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184e7f527149ea3d033354c9387bb1c0.png)
(17)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d509f5a2e0c587cfbec1795fac7fbed2.png)
(18)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1cac2d4d013df1c0080227948799fce.png)
(19)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0368598109a01793cfc9fa848189875.png)
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名校
6 . 有一个解三角形的题因纸张破损有一个条件不清,具体如下:“在
中,角
,
,
所对的边分别为
,
,
.已知
,
,______,求角
.”经推断破损处的条件为三角形一边的长度,且答案提示
.在同学的相互讨论中,甲同学认为应该填写的条件为:“
”;乙同学认为应该填写条件为“
”,则下列判断正确的是( )
![](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/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810a2cc3f61a961c1196fbd0e11caabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1466856bf2570685d3629c1f813748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71812e0762c0aaffb51cfef66156567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5979a3390272327a96828aa214ed4b6.png)
A.甲正确,乙不正确 | B.甲不正确,乙正确 |
C.甲、乙都正确 | D.甲、乙都不正确 |
您最近一年使用:0次
名校
解题方法
7 . 在
中,角A,B,C所对的边分别为a,b,c,已知
.
(1)求角B的大小;
(2)若
,
,解这个三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d72572a2c48448b456f6d5770ca6f9.png)
(1)求角B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f557c2253c3d2a651e86c3895c861251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
您最近一年使用:0次
2023-03-26更新
|
992次组卷
|
2卷引用:天津市西青区张家窝中学2022-2023学年高一下学期3月月考数学试题
2021高一·全国·专题练习
8 . 完成下列各题:
(1)化简:
;
(2)求不等式
的解集.
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f215c7d6af5bcb8403bf1bd5e22f0357.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb93f6c25cb374f59b51550c7f5c9f89.png)
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名校
解题方法
9 . 已知函数
.
(1)求
的单调增区间;
(2)求
在区间
上的最小值;
(3)如果
在
上有两个解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546d020c3d90772f6e31afe68d77d624.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457df0f9d14437a7f0443bb297e6ee8.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce90064385c4633056784c1ae375a2d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457df0f9d14437a7f0443bb297e6ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10 . 在
中,内角
、
、
的对边分别为
、
、
,且
,
.
(1)若
,求
;
(2)若
,解这个三角形.
![](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/6129fbf40a950fc8c516f0abaab21957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad09921d9904335a83078262ce62a473.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058958067e67058f3342b26b2406f832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578b63c5903089595bf324c809a997c.png)
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