omework Part 1 of 5 O Points 0 of 1 Save Suppose that v and w are unit vectors If the angle between v and i is a and the angle between w and i is use the idea of the dot product vw to prove the following equation cos a B cos acos sin asin Let 0 represent the angle between v and w Write an equation which relates this angle to the vectors Since these are unit vectors the v and w factors can be omitted from this equation