Question 197452
 Draw the graph of the following function for 0≤x≤2π. Please state the period and amplitude of the final function 
y= 3cos (2x+π∕2)-2
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I did, it looks great, very regular.
You probably can't see it tho.
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You can dl FREE software and graph it (and see it, print it, email it, etc.) at
www.padowan.dk.com/graph/