Integral subtitusi dari sin(2x-π) dx

jawab

integral
y = sin (2x - π)

u = 2x -π
du/dx = 2

y  = sin u
dy/du = - cos u

y' = dy/dx
dy/dx= dy/du. du./dx
dy/dx = - cos u. 2
y' = - 2 cos (2x - π)