= sin(pi)cos(pi)/5 + 4cos(pi/3)sin(5pi/2)

= 0 0 /5 + 4 (-1/2) * 1

= 0 + 4 * (-1/2)

= 0 - 2

= -2

Therefore, sin(pi)cos(pi)/5 + 4cos(pi/3)sin(5pi/2) = -2.