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TWO PARTER! x the points
a. Find the period and amplitude of the cosine function.
b. At what values of for do the maximum value(s), minimum values(s), and zeros occur?

TWO PARTER x the points a Find the period and amplitude of the cosine function b At what values of for do the maximum values minimum valuess and zeros occur class=

Respuesta :

carlosego
a) As you can see in the graph attached, the repeating pattern of the function is π, therefore the period is:
 Period=π
 The amplitude is:
 Amplitude=4-(-4)/2=8/2
 Amplitude=4
 b) The graph shows that the maximum values are (Where y=4):
 Maximum values: 0,π,2π
 The minimum values are (Where y=-4):
 Minimum values:π/2,3π/2
 The zeros are:π/4,3π/4,5π/4,7π/4

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