In Exercises 13 and 14, find (a) the direction angles of u
Chapter 6, Problem 486(choose chapter or problem)
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In Exercises 13 and 14, find (a) the direction angles of u and v and (b) the angle between u and v.
\(\mathbf{u}=\langle 4,3\rangle, \mathbf{v}=\langle 2,5\rangle\)
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