Question

practice question,

i was told that it should actually read as:

y=c_1(cosx) + c_2(sinx) + xsinx+(cosx)ln(cosx)

thank you in advanced

3. Show that y = cicos(x) + casin(x) + xsin(x) + (cos(x))/n(cos(x)) is the general - TT solution to y" + y = sec(x) on the interval ( -). 2 2

Answer 1

I've attached Handwritten solution for the given problem.