COT.CSC 積分證明. ∫ cotx dx = ∫cosx/sinx dx. 令u = sinx. du = cosx dx. ... 求下列積分: (1) R (secx+tanx)2dx (2) R π 4 0 p 1+cos4xdx (3) R 1 1¡cscx dx (4) ...
確定! 回上一頁