SOLUTION: What is the phase shift of y = -sec(4x + π)?

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Question 753936: What is the phase shift of y = -sec(4x + π)?
Answer by stanbon(75887) About Me  (Show Source):
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What is the phase shift of y = -sec(4x + π)?
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Form: y = a*sec(bx+c)
phase sift = -c/b = -pi/4
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Cheers,
Stan H.