" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(senx + cosx)² = sen²x + 2senx cosx + cos²x = sen²x + cos²x + 2senx cosx = 1+ 2senx cosx
Recuerda que por la identidad pitagórica
sen²x + cos²x = 1