Well basically I have to determine the equation of the graph. The answer is y=2cos2x. I was just wondering how you got the period from looking at the graph. The 4 points on the x-axis is pi/2, pi, 3pi/2, and 2pi.
Thanks a lot for helping!
Well basically I have to determine the equation of the graph. The answer is y=2cos2x. I was just wondering how you got the period from looking at the graph. The 4 points on the x-axis is pi/2, pi, 3pi/2, and 2pi.
Thanks a lot for helping!