Two forces of 17.3 pounds and 42.5 pounds act on a body with an angle of 21.9 degrees between them. The force of 42.5 pounds act
s on the body in the horizontal direction. Choose the correct approximation for the direction angle the resultant vector makes with the horizontal force. a. 6.3
b. 21.9
c. 15.7
d. 10.9