Saved Bookmarks
| 1. |
The angle between two vectors a = 5i+5j and b = 5i-5j will be |
|
Answer» Given vector a=5i+5j b=5i-5j Angle between two vectors Cos(theta)=a.b/|a||b| Cos(theta)=(5i+5j).(5i-5j)/[√(5^2+5^2).√(5^2+5^2)] Cos(theta)=(25-25)/(√50.√50 ) Cos(theta)=0 Theta =π/2 |
|