MathCastle
PrecalculusMediumTriangle Trigonometry and Vectors

Triangle Trigonometry and Vectors · Medium problem

Find the angle (in degrees) between the vectors u=⟨1,3⟩\mathbf u=\langle1,\sqrt3\rangle and v=⟨1,0⟩\mathbf v=\langle1,0\rangle.