If two vectors are perpendicular to each other then is their dot product zero? Please explain clearly.
Answers
Answered by
1
First think about the formula of dot product.
It is A.B = |a||b|cos theta
( where A= a vector , B= B vector)
If the vectors are perpendicular, then the angle theta is 90°.
So |a||b|cos 90° is always 0 as cos 90° is 0.
Hope it helps.
It is A.B = |a||b|cos theta
( where A= a vector , B= B vector)
If the vectors are perpendicular, then the angle theta is 90°.
So |a||b|cos 90° is always 0 as cos 90° is 0.
Hope it helps.
Similar questions