Answer:
you can't cheat in an online school math test =_=
Step-by-step explanation:
C
The addition formula for the tangent ratio is
tan(x + y) = [tex]\frac{tanx+tany}{1-tanxtany}[/tex]
Thus the expansion of
tan(60 + 45) = [tex]\frac{tan60+tan45}{1-tan60tan45}[/tex] → C
