1 . 求值:
(1)
,
(2)
,
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edf1ac3178b4d990c87f270ebb02d3a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5835efa518f9f14e61d7f4267055bf.png)
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名校
解题方法
2 . 已知
是第三象限的角,
.
(1)化简
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa656c33dbe3ec3cc8aff2db22aba4db.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe08127f2db3bad6bbc8b4a0718d6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fde2d6c18aa0936726b494ae1d31ef.png)
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2023-01-05更新
|
618次组卷
|
2卷引用:广西桂林市灵川县灵川中学2021-2022学年高一下学期期中考试数学试题
解题方法
3 . (1)求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b2a792f54d15c30311370f204b6066.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b2a792f54d15c30311370f204b6066.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dbee398f3416c19ff4c2c47ca97f26.png)
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4 . (1)计算:
;
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0a651f9dae4163c0e9f0a763877490.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d7bd20e7f977e57974c0946fe7d878.png)
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5 . 计算化简
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f01a5fd79911477e9491b3079d2d382.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa4b0addc25d1c8dc6af01d412caa6c.png)
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6 . (1)化简求值:
;
(2)已知
,求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986ac5b4c130cea0aef70480c3094bcb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26ca8ee9449dcbece448515c5bf086c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11afbd452f2fcd40ae32c26055a68ec1.png)
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解题方法
7 .
(1)化简:
;
(2)已知角
的终边经过点
,求
,
的值;
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c569a95c6039c267f4a87268c9f74a5e.png)
(2)已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4091a67f6870648a555aa0825f48588d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
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2022-11-24更新
|
1107次组卷
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2卷引用:广西桂林市临桂区五通中学2021-2022学年高一下学期期中段考数学试题
8 . (1)化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96758cdce9769a30d4e54fae5eed8f59.png)
(2)已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96758cdce9769a30d4e54fae5eed8f59.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01748612b56ebe52ef1602e2165d22ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c54d73ffc1050c491f203e26e7f3a3.png)
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2022-11-10更新
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858次组卷
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3卷引用:广西三新联盟2022-2023学年高一上学期11月联考数学试题
9 . 化简求值(需要写出计算过程)
(1)若
,
,求
的值;
(2)
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337b3db9e7d2e403299dc46e55b65d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32ddda27016fdb7362a1b99cc2a4af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0113fd4c7d157757571f9a009e02af.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b48aa0a5beea9afa8b322194731c837.png)
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2022-11-03更新
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1228次组卷
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5卷引用:广西柳州市2022-2023学年高一上学期12月联考数学试题
名校
解题方法
10 . 已知复数
满足:
.
(1)求复数
;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b09db307f01231c0d7b9f1deeb03f81.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889a5527487540d9b2393e13d53349ad.png)
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2022-07-04更新
|
486次组卷
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3卷引用:广西北海市2021-2022学年高二下学期期末教学质量检测数学(理)试题