Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.1010^6 \rm N, one at an angle 19.0^\circ west of north, and the other...

Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×10^6 rm N, one at an angle 19.0^circ west of north, and the other at an angle 19.0^circ east of north, as they pull the tanker a distance 0.650 rm km toward the north What is the total work done by the two tugboats on the supertanker?