微积分公式Dx si n x=cos x c o s x = -si n x t a n x = sec2 x co t x = -csc2 x sec x = sec x t an x c sc x = -csc x cot x s in x dx = —cos x + C cos x dx = s in x + C tan x d x = ln |s e c x | + C c ot x d x = ln |sin x | + C sec x dx = ln |sec x + t an x | + C c sc x dx = ln |cs c x – cot x | + Csi n-1(-x) = —s i n—1 xc o s-1(-x) = — co s—1 xtan-1(-x) = —tan-1 xcot-1(-x) = - co t-1 xse c-1(-x) = - sec-1 xc sc—1(-x) = — c sc-1 xD x s i n-1 ()= c os-1 ()=tan-1 ()=c o t—1 ()=sec—1 ()=cs c-1 (x/a)= sin—1 x d x = x sin-1 x++C c os-1 x d x = x c o s-1 x-+C t a n-1 x d x = x t a n—1 x—½ln (1+x2)+C c o t-1 x d x = x cot—1 x+½ln (1+x2)+C sec-1 x dx = x sec-1 x- ln |x+|+C cs c-1 x dx = x csc-1 x+ ln |x+|+Cs inh—1 ()= ln (x+) x Rcosh-1 ()=ln (x+) x≧1tanh-1 ()=ln () |x|