What is (pi)/12  radians in degrees?

${15}^{o}$
To convert $x$ radians to degrees, perform the following operation:
$x \cdot \left({180}^{o} / \pi\right)$
$\frac{\cancel{\pi}}{12} \cdot \left({180}^{o} / \cancel{\pi}\right) = {180}^{o} / 12 = {15}^{o}$