Question

If 0 is the angle between the vectors i+j
and 2i+2k then 0 is​

Answer 1

Answer:

60°

Explanation:

let A=i+j

B=2i+2k

O=cos-¹(A.B)/|A||B|

=cos-¹(2)/√2√8

=cos-¹(2)/4

=cos-¹(1/2)

= 60°