The angle made by the vector $A = \hat i + \hat j$ with $x-$ axis is ....... $^o$
$90$
$45$
$22.5$
$30$
Find the unit vector of a vector whose co-ordinates are $(8,\, 6)$.
A vector is added to an equal and opposite vector of similar nature, forms a ........
Let $\theta$ be the angle between vectors $\vec{A}$ and $\vec{B}$. Which of the following figures correctly represents the angle $\theta$ ?
If $A = 3\hat i + 4\hat j$ and $B = 7\hat i + 24\hat j,$the vector having the same magnitude as $B$ and parallel to $A$ is
The value of a unit vector in the direction of vector $A = 5\hat i - 12\hat j,$ is