SOLUTION: if the minimum value of the function y=cos (thetra)+ d is-5,the value of d is?

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Question 1091121: if the minimum value of the function y=cos (thetra)+ d is-5,the value of d is?
Answer by math_helper(2461) About Me  (Show Source):
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Since min{cos(x)}=-1, d would have to be -4.