18. y" + y = 12 cos? 18. y = c, cos x + cz sin x - 2 cos 2x + 6

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 19E
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For each differential equation in Problems 1–21, find the general solution by finding the homogeneous solution and a particular solution.

The first image below is the problem, the second is the answer. I'm able to get the homogeneous solution but am struggling with getting the particular solution to get to the answer the textbook provides.

18. y" + y = 12 cos?
Transcribed Image Text:18. y" + y = 12 cos?
18. y = c, cos x + cz sin x - 2 cos 2x + 6
Transcribed Image Text:18. y = c, cos x + cz sin x - 2 cos 2x + 6
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