Q1: A sketch of the graphs of two sinusoidal periodic functions ?(?) & ?(?) are shown below. The point ? = (20,3), where the ?-coordinate is given in degrees. From the plot and the information given; a) Determine the period and amplitude of each of these functions, and hence give Sine/Cosine formulae for them (preferably in a way that avoids the need to include a phase shift ?). b) Hence, or otherwise, evaluate ?(?) + ?(?) when ? = 60, and 100.
Q1: A sketch of the graphs of two sinusoidal periodic functions ?(?) & ?(?) are shown below. The point ? = (20,3), where the ?-coordinate is given in degrees. From the plot and the information given; a) Determine the period and amplitude of each of these functions, and hence give Sine/Cosine formulae for them (preferably in a way that avoids the need to include a phase shift ?). b) Hence, or otherwise, evaluate ?(?) + ?(?) when ? = 60, and 100.
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.8: Applications Of Vector Spaces
Problem 83E
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Q1: A sketch of the graphs of two sinusoidal periodic functions ?(?) & ?(?) are shown below. The point ? = (20,3), where the ?-coordinate is given in degrees.
From the plot and the information given;
a) Determine the period and amplitude of each of these functions, and hence give Sine/Cosine formulae
for them (preferably in a way that avoids the need to include a phase shift ?).
b) Hence, or otherwise, evaluate ?(?) + ?(?) when ? = 60, and 100.
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