Home work direct method IV Solve Zz = COS (2x + 3y) by 23 dy 3z = 74 which subject to 2 / sowe oxdy and Zll, y) = cosy. Z the condition Z (x,0) by using Direct method. and , if y=o > Z = e 3 / sowe - Z bya Direct method. = By using Fourier transform 4 r sowe by 31 x dt when ty of as well as VO given that at x = 0 and x = 0 VO Home work direct method IV Solve Zz = COS (2x + 3y) by 23 dy 3z = 74 which subject to 2 / sowe oxdy and Zll, y) = cosy. Z the condition Z (x,0) by using Direct method. and , if y=o > Z = e 3 / sowe - Z bya Direct method. = By using Fourier transform 4 r sowe by 31 x dt when ty of as well as VO given that at x = 0 and x = 0 VO