Calculus I, Homework 2, Page 25, Question 16
The graph of y=-2sin &pgr;x is obtained from the sine curve by means of horizontal contraction by factor &pgr;, a vertical magnification by factor 2 and finally a reflection in the x-axis.
![[Graphics:c1hwk2q16gr2.gif]](c1hwk2q16gr2.gif)
![[Graphics:c1hwk2q16gr3.gif]](c1hwk2q16gr3.gif)