Posted by Rosy on Tuesday, April 24, 2012 at 9:34pm.
solve using variation of parameters:
y"+36y=[csc(6t)]^2
I don't understand variation of parameters very well at all.

Differential Equations  Steve, Wednesday, April 25, 2012 at 11:25am
go to wolframalpha . com and type in the box:
solve y"+36y=[csc(6t)]^2
It will show the solution. If you then click on the "Show Steps" button, it will explain the solution. Study that, along with your class materials and several excellent online articles, and it should become clearer. If not, you'l probably need some inperson help.
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