TrigonometryHard ShareTrigonometry · Hard problemThe vector projection of ⟨k,3⟩\langle k, 3\rangle⟨k,3⟩ onto ⟨2,1⟩\langle 2, 1\rangle⟨2,1⟩ has length 252\sqrt525 and points in the direction opposite to ⟨2,1⟩\langle 2, 1\rangle⟨2,1⟩. Find kkk.Check Show answer Walk through it step by step Practice more like this