Trig: find reference angles for (7pi) / 6 and (17pi) / 4

[richiebucs]

7(pi)/6 find the reference angle.

17(pi)/4 find the reference angle.

 

[fasteddie65]

7(pi)/6 find the reference angle.

17(pi)/4 find the reference angle.

7?/6 is in Quadrant III. To find the reference angle, subtract ? from 7?/6.

17?/4 is equivalent to ?/4. (17/4 = 4 + 1/4)