Answer:
Step-by-step explanation:
SOHCAHTOA
Sine = Opposite / Hypotenuse
Cosine = Adjacent / Hypotenuse
Tangent = Opposite / Adjacent
(a is the adjacent side to the angle given) (o is the opposite side to the angle given) (h is the hypotenuse)
1) ;
2) ;
3) ;
4) ;
5) ;
6) ;
hope this helps, still didn't get it. The final answers can be found by typing the expressions into a calculator.
ans : general term = (2n +8)/(4^n) * (-1)^n
417.5
I hope this helps