(pi/12)1pi/12 = 1pi/3 - pi/4 7pi/12 = 1pi/3 + pi/4
5pi/12 = 2pi/3 - pi/4 11pi/12 = 2pi/3 + pi/4
9pi/12 = 3pi/3 - pi/4 15pi/12 = 3pi/3 + pi/4
13pi/12 = 4pi/3 - pi/4 19pi/12 = 4pi/3 + pi/4
17pi/12 = 5pi/3 - pi/4 23pi/12 = 5pi/3 + pi/4
21pi/12 = 6pi/3 - pi/4
1pi/12 = 1pi/3 - pi/4
3pi/12 = 0pi/3 + pi/4
5pi/12 = 2pi/3 - pi/4
7pi/12 = 1pi/3 + pi/4
9pi/12 = 3pi/3 - pi/4
11pi/12 = 2pi/3 + pi/4
13pi/12 = 4pi/3 - pi/4
15pi/12 = 3pi/3 + pi/4
17pi/12 = 5pi/3 - pi/4
19pi/12 = 4pi/3 + pi/4
21pi/12 = 6pi/3 - pi/4
23pi/12 = 5pi/3 + pi/4
Do you see a pattern? Look the ___-pi/4 and ___+pi/4 separately.
