已知角
的顶点与原点O重合,始边与x轴的正半轴重合,它的终边过点
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c111a7b669770a2cc28e403ade76169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633442bef8e60d869ce38397abab6536.png)
更新时间:2020-02-04 19:10:27
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解答题-问答题
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(0.94)
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解题方法
【推荐1】已知角
的顶点为原点O,始边与x轴的非负半轴重合.若角
的终边过点
,且
,
(1)判断角
的终边所在的象限;
(2)求
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72feade973c6fdb76726e574fb47be92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/593885b06f175d8c3178488790337a2f.png)
(1)判断角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
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解答题-问答题
|
容易
(0.94)
名校
解题方法
【推荐2】在直角坐标系
中,角
的顶点与坐标原点
重合,始边落在
轴的正半轴上,终边与单位圆的交点为
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb0907a0db4d93d3c4dfc760f9d0069.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafacae675ecfac01e621f209dc32dd4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73599173620e55093850b63b68459dc.png)
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解答题-问答题
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(0.94)
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【推荐1】已知
是第四象限角,
.
(1)若
,求
的值;
(2)令
,当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55464d89e04afcc10ff84e05395d6c3f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fda8d0f624b550e98a82524deb3a646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293dc416ca21d01e2e7545b3260b89ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5cf2cd76231cf5e79fabe7248cc234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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解答题-计算题
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(0.94)
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【推荐2】已知
是锐角,且
.
(1)化简
;
(2)若
,求
的值,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5f24b9798eaf5706c2aa267ad037dd.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ffe2a488a1a7f561319c8531fb28f1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed03580542ad936f16a78dea69f3916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ffe2a488a1a7f561319c8531fb28f1.png)
您最近一年使用:0次