Find the angle between the line y=2x and the line passing through the points(-1;7/3 ) and (0;2)

Answer 1

Y = 2x
Tan A = m1 = 2
A = 63.43o

(-1,7/3),(0,2).
m2 = Tan B = (2-7/3)/(0+1) = (-1/3)/1 =
-1/3.
B = -18.43o = -18.43o

C = A-B = 63.43 - (-18.43) = 81.9o =
Angle between A and B.