" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-1/3≤ 1/3 cosx≤1/3 /+5
-4 2/3≤1/3 cosx + 5≤5 1/3
Zw=<-4 ²/₃, 5¹/₃>