SOLUTION: What is the maximum y value on the graph of y = 4cos(x - 20) + 6

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Question 854857: What is the maximum y value on the graph of y = 4cos(x - 20) + 6
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Max. value for cosine function is 1.
So the max. value for this function is 4%2A1%2B6=10