Question

Two vectors A and B have equal
magnitudes. If magnitude of A + B is equal
to n times the magnitude of Á - B, then

angle between A and B,
is

(A) cos
n2-1
(B) cos
n+1)
+ 1
- 1
2
n
-1
(C) sin
2
n
2.23
(D) sin
n+1
n? +1)​

Answer 1

Answer:

Two vectors A and B have equal

magnitudes. If magnitude of A + B is equal

to n times the magnitude of Á - B, then

angle between A and B,

is

(A) cos

n2-1

(B) cos

n+1)

+ 1

- 1

2

n

-1

(C) sin

2

n

2.23

(D) sin

n+1

n? +1)​

Explanation:

:)