U(3,1), V(6,-1)
A. Tan A = (-1-1)/(6-3) = -2/3=-0.66666
A = -33.7o = 33.7 S. of E.
Let u= <3,1> and v=<6,-1>
A. what is the angle between u and v?
B. find projvU
C. reoslve u into u1 parallel to v abd U2 perpendicular to v.
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