1 . 已知cosα=-
,α是第三象限角,求
(1)tanα的值;
(2)sin(180°+α)cos(-α)sin(-α+180°)+cos(360°+α)sin(-α)tan(-α-180°)的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb84f6fbac102ccf326b2223d69cb7cc.png)
(1)tanα的值;
(2)sin(180°+α)cos(-α)sin(-α+180°)+cos(360°+α)sin(-α)tan(-α-180°)的值.
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2 . 在直角坐标平面中,角α的始边为x轴正半轴,终边过点(-2,y),且tana=-
,分别求y,sinα,cosα的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
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11-12高一下·浙江杭州·阶段练习
名校
3 . 已知
.
(1)化简
;
(2)若
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7075ebeed4393f033373369648a42f45.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ba8706fc7c840210f487742d2d3c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b1582f75a771ecc8b59f0c3bf2016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2020-11-06更新
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1009次组卷
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5卷引用:贵州省铜仁市伟才学校2020-2021学年高一12月半月考数学试题
贵州省铜仁市伟才学校2020-2021学年高一12月半月考数学试题(已下线)2011-2012学年浙江省杭州市西湖高级中学高一3月月考数学试卷甘肃省武威市第六中学2018届高三上学期第二次阶段性过关考试数学(理)试题湖南省邵阳市邵东创新实验学校2020-2021学年高三上学期10月月考数学试题浙江省温州市瑞安市第七中学2020-2021学年高一上学期第二次月考数学试题
名校
4 . (1)若
,求
的值. (2)已知
,求
+
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284b6f5215fc005c0fd237224e65563a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ab1f5dd4e3cc2de574f1d761135d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbfe017e21d1a4e5cf7b1fbf44fcc0ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237dbe3a4f28962ef2870b4e7dab599.png)
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5 . (1)化简:
.
(2)若
、
为锐角,且
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5935b3132556740359dbc422b53dbdc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862257cfeac8bffc033f26755a818687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4222823933aab725c60c4219e5614ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
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12-13高二上·贵州遵义·期末
6 . 已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b53a3c59b8064ec09ea01f164eb620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84ab95f70b94ebfe2d4f11c664f83b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13c314adaf7b2da744e65f1e532771e.png)
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12-13高一上·贵州遵义·期末
7 . (Ⅰ)已知
,求
的值.
(Ⅱ)已知
是第四象限的角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b45b8463be730b9c2fd55b490924eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d90d139f34cc6f8fed74f5c44b8283.png)
(Ⅱ)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a227657408f2ab06074c9f454876e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29eb25d41553f1df7e4e7fa5f8bbcaad.png)
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