Calculus I, Homework 2, Page 25, Question 24
The graph of y=|cos x| is obtained by reflecting the negative parts of the cosine curve in the x-axis.
![[Graphics:c1hwk2q24gr2.gif]](c1hwk2q24gr2.gif)
![[Graphics:c1hwk2q24gr4.gif]](c1hwk2q24gr4.gif)