y'=((3x-4)^2)'=18x-24
y'(x0)=-78
y'=10cos2x
y'(pi/2)=-10
y'=1-2sinx y'(pi/2)=-1
y'=2cosx-1.5sinx y'(pi/2)=-1.5
y'=((3x-4)^2)'=18x-24
y'(x0)=-78
y'=10cos2x
y'(pi/2)=-10
y'=1-2sinx y'(pi/2)=-1
y'=2cosx-1.5sinx y'(pi/2)=-1.5