sinx)=cosx (cosx =-sin x (tan x)=sec x(cot x)=-csc'x (sec x)=sec x tanx G(cscx)'=-cscxcotx (arcsin x) (arccos x) (arctan x) 1+x (arc cotx)= 1+x6 (sin ) cos x x ′ = (cos ) sin x x ′ = − 2 (tan ) sec x x ′ = 2 (cot ) csc x x ′ = − (sec ) sec tan x xx ′ = ⋅ (csc ) csc cot x xx ′ =− ⋅ 2 1 (arcsin ) 1 x x ′ = − 2 1 (arccos ) 1 x x ′ = − − 2 1 (arctan ) 1 x x ′ = + 2 1 ( cot ) 1 arc x x ′ = − +