看板 trans_math 關於我們 聯絡資訊
suppose that (X爸.Y爸)is the centroid of region bounded by the graph of the parametric equations x=t-sint ,y=1-cost ,0<t<拍 and the x-axis Find Y爸=? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.31.139.180