8x-4=2x+35
8x-2x=35+4
6x=39
X=39/6
Answer:
Step-by-step explanation:
Given that angle A is in IV quadrant
So A/2 would be in II quadrant.
sin A = -1/3
cos A = 
(cos A is positive since in IV quadrant)
Using this we can find cos A/2

Step-by-step explanation:
220000/100=2200*0.49=789
5.880512439 x 10^16
5.880512439 x 10^16Hope this helps!