Question: A tech entrepreneur develops a sensor system where two unit vectors $\mathbfp$ and $\mathbfq$ form a plane. If $\mathbfp \times \mathbfq = \beginpmatrix 0 \\ 0 \\ \frac12 \endpmatrix$, find the angle between $\mathbfp$ and $\mathbfq$. - Crosslake