MAT244-2018S > Web Bonus Problems

Web bonus problem--Week 3

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Victor Ivrii:
a. Find the general solution of
$$
y'+2\cot(t)y=\cos(t).
$$
b. Find solution, which is defined on $(-\infty,\infty)$;
c. Find solution, which is defined on $(-\infty,\infty)$ and periodic.

Wenzhe Xu:
Here is my attempt, but I'm confusing about question b and c, is my thought right?

Runcong Wu:
Here, the last one has the wrong image code

Victor Ivrii:
Looks OK. Could you type it?

David Chan:
My (typed) solution:

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