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Mathematics 14 Online
OpenStudy (anonymous):

Find the domain, period, range, and amplitude of the cosine function. y = -6cos4x

OpenStudy (jdoe0001):

the amplitude of any trig function will be the absolute value of the number in front of it the period is found by Acos(Bx), regular period divided by B cosine regular period is \(\bf 2\pi \implies \cfrac{2\pi}{B}\)

OpenStudy (jdoe0001):

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