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Consider the following points on the graphs of \(y = \cos(x)\)and \(y = \cos(x + \pi/6)\), with the added vertical dashed lines: 

 

Then what are \(10c\) and \(10d\) in that order?

 

(Please explain how you got there, thank you! I'm really stuck on this problem.)

 Jul 24, 2023
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10c = 20 - 12*sqrt(3) and 10d = 12*sqrt(3) - 10.

 Jul 24, 2023

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