Question

2. A vector of length 1 is turned through the angle g about its tail. What is the change in the position
vector of its head ?
(a)lcos (2) (b) 21 sin (g/2)
(c) 21 cos (g/2) (d) I sin(g/2)
point to another narallel to itself.​

Answer 1

Answer:

(c) 21 cos (g/2) is the correct answer

Answer 2

Explanation:

a: lcos (2)

I think this is a answer