Question 13. Let y=9 sin(8t) -5 cos(8t) be expressed in the form y = Rcos(8t- a) ,. %3D where -

Trigonometry (MindTap Course List)
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ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter3: Radian Measure
Section3.4: Arc Length And Area Of A Sector
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Question 13.
Let y=9 sin(8t) - 5 cos(8t)
%3=
be expressed in the form
y Rcos(8t- a)..
%3D
where -< a<T.
If time t is measured in seconds, determine
(a) the amplitude of oscillation,
(b) phase angle (in radians),
(c) the angular frequency, and
(d) the fundamental period
of the resulting waveform.
Give all your answers correct to 2 decimal places.
Enter the amplitude of oscillation:
to two decimal places
Enter the phase angle (in radians) (Recall phase angle must be in the range -T<a<T)|
to two decimal place
Enter the angular frequency (in rads/sec):
to two decimal places
Enter the fundamental period (in seconds):
to two decimal places
Transcribed Image Text:Question 13. Let y=9 sin(8t) - 5 cos(8t) %3= be expressed in the form y Rcos(8t- a).. %3D where -< a<T. If time t is measured in seconds, determine (a) the amplitude of oscillation, (b) phase angle (in radians), (c) the angular frequency, and (d) the fundamental period of the resulting waveform. Give all your answers correct to 2 decimal places. Enter the amplitude of oscillation: to two decimal places Enter the phase angle (in radians) (Recall phase angle must be in the range -T<a<T)| to two decimal place Enter the angular frequency (in rads/sec): to two decimal places Enter the fundamental period (in seconds): to two decimal places
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