" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y = - { (cos^2 2x + sin^2 2x)(cos^2 2x - -sin^2 2x)}
y = - { (1)(cos 4x)
y = - cos 4x
∫ - cos 4x dx = - 1/4 sin 4x + c