1. The problem statement, all variables and given/known data Find the angle between the forces given the magnitude of their resultant. (Hint: write the force one as as a vector in the direction of the positive x-axis and force two as a vector at an angle θ with the positive x-axis.) Force 1: 45 pounds Force 2: 60 pounds Resultant Force: 90 lbs 2. Relevant equations 3. The attempt at a solution Well, writing force one as a vector in the direction of the positive x-axis would make the first vector be <45,0> Then I know that when adding the first and second vectors the magnitude of the resulting vector must be 90 and the magnitude of the second vector must be 60. I don't know how to find the coordinates of the second vector such that it will have a magnitude of 60, and when added to the first will result in a vector with a magnitude of 90. Can someone point me in the right direction.