" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Turunan untuk cos(nx) adalah -n.sin(nx)
Sehingga,
f(x) = sin(4x) + cos(3x)
f'(x) = 4.cos(4x) + (-3.sin(3x))
f'(x) = 4.cos(4x) - 3.sin(3x)