Dx sin x=cos x cos x = -sin x tan x = sec2 x cot x = -csc2 x sec x = sec x tan x csc x = -csc x cot x sin x dx = -cos x + C cos x dx = sin x + C tan x dx = ln |sec x | + C cot x dx = ln |sin x | + C sec x dx = ln |sec x + tan x | + C csc x dx = ln |csc x – cot x | + Csin-1(-x) = -sin-1 xcos-1(-x) = - cos-1 xtan-1(-x) = -tan-1 xcot-1(-x) = - cot-1 xsec-1(-x) = - sec-1 xcsc-1(-x) = - csc-1 xDx sin-1 (ax )=221ax cos-1 (ax )=221axtan-1 (ax )=22aaxcot-1 (ax )=22aaxsec-1 (ax )=22axxacsc-1 (ax )=22axxa sin-1 x dx = x sin-1 x+21x+C cos-1 x dx = x cos-1 x-21x+C tan-1 x dx = x tan-1 x-
ln (1+x2)+C cot-1 x dx = x cot-1 x+
ln (1+x2)+C sec-1 x dx = x sec-1 x- ln |x+12x|+C csc-1 x dx = x csc-1 x+ ln |x+12x|+Csinh-1 (ax )= ln (x+22xa) xRcosh-1 (ax )=ln (x+22ax) x ≧1tanh-1 (ax )=a21 ln (xaxa) |x| 1sech-1