Liyuki
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Find the amplitude (A) and the period (P) of the following function : y=4 cos(4x)

AA=4, P=4pi
BA=4, P=2pi
CA=4, P=1/4pi
DA=4, P=1/2pi

Please help Find the amplitude (A) and the period (P) of the following function : y=4 cos(4x) a. A=4, P=4pi b. A=4, P=2pi c. A=4, P=1/4pi d. A=4, P=1/2pi class=

Verified Answer :

Are
you familiar with that?




------------
amp = 4


and


period=2 pi /4 = pi /2

View image 3mar

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