Question
If $\vec{a}$ and $\vec{b}$ are two unit vectors inclined at an angle of $\frac{\pi}{3}$, then the value of $|\vec{a} + \vec{b}|$ is
If $\vec{a}$ and $\vec{b}$ are two unit vectors inclined at an angle of $\frac{\pi}{3}$, then the value of $|\vec{a} + \vec{b}|$ is