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Mathematics 20 Online
OpenStudy (anonymous):

NEED HELP ASAP PLEASE :( What is the period of the function? y=cos 4 pi x. a) 1 b) 2 c) pi d) 2(pi)

OpenStudy (anonymous):

|dw:1396897271041:dw| answer choices are a) 60 degrees b) 120 degrees c) 240 degrees and d) 420 degrees.

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