" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Cos x(sin x+cos x)-(sin x) ( cos x-sin x)/(sin x+ cos x)^2
(Sinxcosx+cos^2x)-(sinxcosx-sin^2x)/(sinx+cosx)^2
Coret sinxcosx
Dan sin^2x+ cos^2x =1
=1/(sinx+cosx)^2