List of top Higher Mathematics Questions on Vectors

Angle between vectors \( \vec{a} = \hat{i} + \hat{j} - \hat{k} \) and \( \vec{b} = \hat{i} - \hat{j} + \hat{k} \) is 60°.
Find magnitude of the vector \( \hat{i} + \hat{j} + \hat{k} \)
The vector sum of the three sides of a triangle taken in order is \(\underline{\hspace{2cm}}\)