Homework Statement
g(x)=x - sin (pi*x) at [0,2]
Homework Equations
all values where g'(x)= 0 (or non-existant) are critical points
The Attempt at a Solution
g'(x)=1 - ╥(cos(╥X))
1/╥=cos(╥X)
cos^(-1) (1/╥) = ╥X
X=(cos^(-1) (1/╥))/╥
x=.397 and x=? 2nd point