Question: 4
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
T
T
Let x = [x1 x2],y= [y1 y2] in R2.
The cosine of the angle between vectors
T
[1 −1] and [11] by using the
inner product
is
(x, y) = = x1 y1+3x2Y2
(i) 1
(ii) -1
(iii) 0.5
(iv) -0.5
