在平面直角坐标系中,动点
在单位圆上沿逆时针方向作匀速圆周运动,点
转一周的时间为12秒,若点
的初始位置为
,则经过
秒钟,动点
所处的位置的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1f9e2a36dcab6934f15e84452c91e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
更新时间:2024-03-01 22:25:32
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,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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填空题-双空题
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【推荐2】已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0254d42c019a988dc2c2b51165f567b1.png)
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_______ .
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