(a) To convert $\pi/12$ radians to degrees, we multiply by $\frac{180}{\pi}$:
$$\frac{\pi}{12} \cdot \frac{180}{\pi} = \frac{180}{12} = 15$$
So $\pi/12$ radians is equal to $15$ degrees.
(b) To convert $\pi/6$ radians to degrees, we again multiply by
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