Page 216 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition

Find . ,
1. ,
,
(a) ,

(b)

(c)

(d)

In each part of Exercise 1, find the cosine of the angle θ between u and v.
2.

Determine whether u and v make an acute angle, make an obtuse angle, or are orthogonal.
3.

(a) ,

(b) ,

(c) ,

(d) ,

Find the orthogonal projection of u on a.
4.

(a) ,

(b) ,

(c) ,

(d) ,

In each part of Exercise 4, find the vector component of u orthogonal to a.
5.