2023高一上·全国·专题练习
解题方法
1 . 求下列各式的值:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a390eed02908f4bb60c20966cff63436.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02d2719e66365470275aa650652353e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef4d1935765172443f674df1227dd6a.png)
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2 . (1)已知
,求
的值.
(2)化简求值:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40270cca695d0e04a0a442586bbfc28f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72c16a086d6fc705bb7ea7549965047.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ba358c2cdd67c053a8943f7633e7ea.png)
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解题方法
3 . 化简求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170fec9e15d8691b947b1d86888c6893.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d8dc7745da4c815b659fbcdae87cd6.png)
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解题方法
4 . 求值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b34a4fb1596379c2298d802318abc61.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b34a4fb1596379c2298d802318abc61.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b265c7fbea6f216dcaefa23bf3748b.png)
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2022高三·全国·专题练习
5 . 化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7aee715ac87a76f7a00996af77481ed.png)
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6 . 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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20-21高一·全国·课后作业
解题方法
7 . 化简下列各式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48344dd67bb19f9ec59ba1541babb05.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f201e3bf2d10ddf282cc4001c0e921ef.png)
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2020高三·全国·专题练习
解题方法
8 . 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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