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Trigonometry
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OpenStudy (anonymous):
y=5cos(4x+pi) Can someone please verify for me if these are the correct answers for the problem, I'm being told something is wrong: A:5 R:[-5,5] P:pi/2 PS:-pi/4
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jimthompson5910 (jim_thompson5910):
everything looks correct, perhaps they want you to enter the phase shift in a different way?
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