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Q1: A sketch of the graphs of two sinusoidal periodic functions f(x) & g(x) are shown below. The point P = (20,3), where the x-coordinate is given in degrees. P g(x) f(x) 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 t). b) Hence, or otherwise, evaluate f (x) + g(x) when x = 60, and 100.

Q1: A sketch of the graphs of two sinusoidal periodic functions f(x) & g(x) are shown below. The point P = (20,3), where the x-coordinate is given in degrees. P g(x) f(x) 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 t). b) Hence, or otherwise, evaluate f (x) + g(x) when x = 60, and 100.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Q1: A sketch of the graphs of two sinusoidal periodic functions f(x) & g(x) are shown below. The point P = (20,3), where the x-coordinate is given in degrees. g(x) f(x) 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 t). b) Hence, or otherwise, evaluate f (x) + g(x) when x = 60, and 100.
Transcribed Image Text:Q1: A sketch of the graphs of two sinusoidal periodic functions f(x) & g(x) are shown below. The point P = (20,3), where the x-coordinate is given in degrees. g(x) f(x) 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 t). b) Hence, or otherwise, evaluate f (x) + g(x) when x = 60, and 100.
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