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樓主  發(fā)表于: 2014-05-13 15:19
圖片：
不知道為什么圖發(fā)不來(lái) 
不過(guò)可以口述一下  
求了一下sin90度  不是應該是1的嗎？
不過(guò)顯示的是0.893997

求大神幫忙指點(diǎn)一下？
 
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1樓  發(fā)表于: 2014-05-13 16:04
樓上的辛苦了，面對我這樣小白的問(wèn)題也能這樣認真的回答。不過(guò)的確幫了我很大的忙，非常感謝�。�！

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