Use an integration factor to find the general solution of thedifferential equation \sin x \frac{d y}{d x}+2 y \cos x=\sin x \text { giving your answer in the form } y=f(x) \text {. } \text { (b) Given that the point }\left(\frac{\pi}{2}, 1\right) \text { lies on the curve, find the } particular solution at this point.

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5