[Mathematics][Fundamentals of Complex Analysis][Small Trick] The Trick on drawing the picture of sin(
Exercises3.221.(a).For$\omega=sinz$,whatistheimageofthesemi-infinitestrip$S_1=\{x+iy|-\pi0\}$(b).whatistheimageofthesmallersemi-infinitestrip$S_2=\{x+iy|-\frac{\pi}{2}0\}$Solutions:Firstofall,let'sass