三、基本求导公式和求导法则 1.常用初等函数的导数 (C)y=0 (x“)/=4x- (sinx)'=cosx (cosx)'=-sinx (tanx)'sec2 x (cotx)'=-csc2 x (secx)'= secxtan x (cscx)'=-cscxcot x (ax)'=axIna (e*)'=e* (loga x)'= xlna (Inx)'= (arcsinx)= (arccosx)'=- V1-x2 (arctan x)=x (arccotx)'=-1 +x2 BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS PRESS 返回 结束目录 上页 下页 返回 结束 三、基本求导公式和求导法则 1. 常用初等函数的导数 (C)  0 ( )  x 1  x (sin x)  cos x (cos x)   sin x (tan x)  x 2 sec (cot x)  x 2  csc (sec x)  sec x tan x (csc x)   csc x cot x ( )  x a a a x ln (e )  x x e (loga x)  x ln a 1 (ln x)  x 1 (arcsin x)  2 1 1 x (arccos x)  2 1 1 x  (arctan x)  2 1 1  x (arccot x)  2 1 1  x 