Answer:
cos13=0.97 and sin0=0
Step-by-step explanation:
cos(13)
put in calculator and get 0.97
and do the same for sin(0).
sin(0)
0.
the part where it says after tax to repair keishas iphone is represented by the expression 0.09
9000-500h=0+500h
h= 9 hours
