Verify that y = cos x and y = sin x are solutions of the DE y” + y = 0. Are any of the following functions solutions? (a) sin x - cos x, (b) sin (x + 3), (c) sin 2x. Justify your answers. Please explain your answer
Verify that y = cos x and y = sin x are solutions of the DE y” + y = 0. Are any of the following functions solutions? (a) sin x - cos x, (b) sin (x + 3), (c) sin 2x. Justify your answers. Please explain your answer
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 104E
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Verify that y = cos x and y = sin x are solutions of the DE y” + y = 0.
Are any of the following functions solutions?
(a) sin x - cos x,
(b) sin (x + 3),
(c) sin 2x.
Justify your answers.
Please explain your answer.
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