For plate with dimension (1x2), length in x-direction is 1, and y -direction is 2, left side is kept at zero- degree, bottom given temperature =x, right side is well insulated, top side is given zero degree, the temperature at the (x=1/4, y-1/2), taken the first two terms, is: 15 sinh sinh sinh sinh- b) 16 a) sinhr sin- 9 sinh3x sinhr 9 sinh5 sinh sinh- sinh sinh- d). 3 sinh 3r sin- sin . sin -sin- SsinhS sinhr sinh