If vectors A= cos Omega t i + sin Omega t j and B = cos Omega t/2i + s - askIITians
ordinary differential equations - Please tell me where does $c_1\cos(\omega t) +c_2\sin(\omega t)$ come from in this context? - Mathematics Stack Exchange
What is the derivation of equation [math]y=A\sin(kx-\omega t)[/math] for a wave? - Quora