英语词汇“餘絃”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	餘絃
释义	餘絃 yú xuàn一个角终边上除顶点外任一点的横坐标除以该点与顶点之间的距离所得之商,这个角的顶点与平面直角坐标系的原点重合,而其始边则与正X轴重合cosine余弦
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