Saved Bookmarks
| 1. |
Ifvec(a) = hat(i) - 2 hat(j) + 3 hat(k) and vec(b) = 2 hat(i) - 3 hat(j) + 5 hat(k) , then angle between vec(a) and vec(b) is |
|
Answer» `(PI)/(2)` |
|