Let cdenote the boundary of the square whose sides are given by the lines x =+2 and y=t2. assumne that c is described in the positive sense, i.e., anticlockwise

Let Cdenote the boundary of the square whose sides are given by the lines x =+2 and y=t2. Assumne that C is described in the positive sense, i.e., anticlockwise. Cos z dz Evaluate: z(z+8)