Could someone explain how they came to this conclusion?
I know how to get:
ω1 dot + Ωω2 = 0
ω2 dot - Ωω1 = 0
The Attempt at a Solution
I know euler is e^(i * t) = cos(t) + sin(t)*i but not sure how the notes take it to :
ω1(t) = Acos(Ωt) , ω2(t) = Asin(Ωt)