A. For each differential equation, give the dependent and independent variable(s), state whether the equation is ordinary or partial, linear or nonlinear and give also its order and degree. Note: DV: dependent variable(s), IV: Independent Variables _----- E: III-I- (2) cosy + (sinxly =1 (3) y" 41/ + 4y 2 sins: B. Eliminate the arbitrary constants in the equation 3*; 2 old? + 022:2 + sin 1'. Express your nal answers in the form from highest to lowest order of derivatives