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Mathematics 21 Online
OpenStudy (anonymous):

graph of -2+cos4piex ?? I have no idea someone help me, please!!

OpenStudy (amistre64):

it seems to be a transformation of cos(x); squished by 4pi, and dropped by 2

OpenStudy (anonymous):

ok, but how do i graph it 4pi

OpenStudy (amistre64):

you "contract" the normal period by a factor of 1/(4pi)

OpenStudy (amistre64):

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OpenStudy (amistre64):

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