Let D: 0 x 1/2 , 0 y 1; D* the image of

Let D: 0 ≤ x ≤ 1/2 π, 0 ≤ y ≤ 1; D* the image of D under w = sin z; and Φ* = u² - v². under and What is the corresponding potential Φ in D? What are its boundary values? Sketch D and D*.