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luckiegirl28
luckiegirl28 luckiegirl28
  • 26-02-2015
  • Mathematics
Answered

Really need some help on this please!

what is the amplitude of the sinusoid given by y=-4 cos(2x)?

Verified Answer :

sugarmate
sugarmate sugarmate
  • 26-02-2015

Amplitude is absolute value of (-4) = 4.

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Panoyin
Panoyin Panoyin
  • 27-02-2015

y = -4cos2x
y =-4(0.9995065604x)
y = -3.998026241x

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