Posted by Aaron on Monday, February 1, 2010 at 12:24pm.
Find the amplitude, period, and phase shift  y=cosð/2 (x+1/3)

Math  Trigonometry  drwls, Monday, February 1, 2010 at 12:34pm
I am not familiar with the ð symbol. Is it supposed to be a pi?
The amplitude is pi.
2 pi/(period) is the factor that precedes x.
1/3 is the phase shift, relative to a cosine wave