Change triangle (hypotenuse = dx): height = $\sin(x) dx$, width = $\cos(x) dx$ Now, remember that sine and cosine are functions that return percentages. (A number like 0.75 doesn't have its orientation. It shows up and makes things 75% of their size in whatever direction they're...
Recently, our MYP 9th graders experimened under the guidance of their teachers to explore the interconnectedness of music and mathematics; what mathematics and music have in common and how mathematics is used to create the music you enjoy. Yar...
解析 that/which 解析:句意:这就是他在会上解释的工作中粗心大意的原因吗?分析句子结构可知,空处引导的定语从句修饰先行词 the reason,后面定语从句中 explained缺少宾语,故应用that/which引导定语从句。 结果一 题目 【题目】用适当的关系词填空Is this the reasonhe explained at the meeting forhis carelessness...
sin(x)比x