12. A sinusoidal function has an amplitude of 0.75 units, a period of 1440°, and a maximum at (0, 3). Determine an equation for the function. a. y = 4cos (0.25x) -3.75 b. y = 0.75cos (0.25x) -3.75 d. y = 0.75cos (0.75x) -3.75 c. y = 0.25cos (0.75x) -3.75 -430-360-270-180-90 90 180 27 360

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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12. A sinusoidal function has an amplitude of 0.75 units, a period of 1440°,
and a maximum at (0, 3). Determine an equation for the function.
iisups erit zi
a. y = 4cos (0.25x) -3.75
b. y = 0.75cos (0.25x) -3.75
c. y = 0.25cos (0.75x)-3.75
d. y = 0.75cos (0.75x) -3.75
-430-360-270-180-90/ 90 180 270 360
1-2+
Is
7
-5
Transcribed Image Text:12. A sinusoidal function has an amplitude of 0.75 units, a period of 1440°, and a maximum at (0, 3). Determine an equation for the function. iisups erit zi a. y = 4cos (0.25x) -3.75 b. y = 0.75cos (0.25x) -3.75 c. y = 0.25cos (0.75x)-3.75 d. y = 0.75cos (0.75x) -3.75 -430-360-270-180-90/ 90 180 270 360 1-2+ Is 7 -5
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