need urgent help solving this DE by variation of parameters y'' + y = sec (theta) * tan (theta) any help is greatly appreciated thank you
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Originally Posted by kithy need urgent help solving this DE by variation of parameters y'' + y = sec (theta) * tan (theta) any help is greatly appreciated thank you Hello kithy, First we need to find the complimentry solution to the associated homogenious equation. Now we know that our particular solution will be of the form. So the wronskian is So finally our solution is simplifying gives
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