15-03-2017
Mathematics

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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

Please help Find the amplitude A and the period P of the following function y4 cos4x a A4 P4pi b A4 P2pi c A4 P14pi d A4 P12pi class=

Respuesta :

15-03-2017

Are you familiar with that?

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

and

period=2 pi /4 = pi /2

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