my test questions

HEYYYYYYYY YOUUUUUUU GUYYYYYYYY'S
If you would like the advanced edge on tomorrows upcoming test, here it is.
I Picked two questions, one from exercise 3 and one from exercise 5.
from exercise 3, I picked question 1, part e), which was
find the exact value of tan(7pi/4), show work, ie. unit circle

from exercise 5, question 1
Solve for thaeta where the domain is the set of all reals.
sin thaeta=1/2
answer is pi/6+2kpi where k is an integer
and
5 pi/6 + 2kpi where k is an integer

dont forget to show how you got those answers. ie unit circle