I'm trying to figure out the steps required to do the following simplification:
This equation:
b/(a^2+ ω^2 )*(-a*sin(ω*t)+ω*cos(ω*t))
can be simplified to the following:
(b/√(a^2+ ω^2 ))*sin(ω*t+ θ)
θ= tan^(-1) (- ω/a)
I can numerically verify that this is true but I am having...