Explanation:
Step 1 Try to draw a perfect circle
Step 2 Divide into 12 equal sections if you can
A circle has 2 pi radians or 360 degrees in it
Divide 2 pi by 12
Which equal
For every nth sector you on multiply the nth sector your on by pi/6
For example let say ur on second sector.
or
Let say ur on the 6th sector
or