Hello, Ive been trying to solve this problem for hours now, but i keep getting it wrong. Been looking for examples but i dont seem to find one with a good explanation, so any help is appreciated. The problem: Consider two displacements, one of magnitude 2.6 and another of magnitude 3.9. What angle between the directions of these two displacements give a resultant displacement of magnitude a) 5.7m b)2.6m c)3.2 If anyone can please help me understand, thank you. Please, dont just post the answer, i want to learn how to solve it.