SOLUTION: Find the range of Y = 1/2-cos3x

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Question 1040988: Find the range of Y = 1/2-cos3x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Range of cosine is [-1,1] so,
[1/2-(-1),1/2-1]
[3/2,-1/2]
[-1/2,3/2]
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