If A = i+j and B=i-j then angle between them is
Answers
Answered by
8
A = √(1^2 + 1^2) = √2
B = √(1^2 + 1^2) = √2
Magnitude of both the vectors is √2
Dot product
A.B = (i + j) . (i - j)
A.B = 1 - 1 = 0
Dot product of two vectors is equal to ABCosx
A.B = ABCosx
0 = √2 × √2 × Cosx
0 = Cosx
∴ x = 90°
Angle between them is 90°
B = √(1^2 + 1^2) = √2
Magnitude of both the vectors is √2
Dot product
A.B = (i + j) . (i - j)
A.B = 1 - 1 = 0
Dot product of two vectors is equal to ABCosx
A.B = ABCosx
0 = √2 × √2 × Cosx
0 = Cosx
∴ x = 90°
Angle between them is 90°
Answered by
1
Answer:
90
hope it's help
MARK MY ANSWER AS BRAINLIEST ONE
Similar questions