Posted by **kikine** on Wednesday, February 13, 2013 at 12:51am.

Given the function y = 3cos(3x + pi), identify:

Amplitude (if applicable, give the answer in fractional form)

Period (in radians as a multiple of pi - note: do not write "rad" or "radians" in your answer)

Phase Shift (if the shift is right, enter + and if to the left, enter - before the number; if none, enter the number zero)

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