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

Answer:
85°
Step-by-step explanation: Hope it helps!
Answer:
Step-by-step explanation:
m÷350 = 299
m = 299×350 = 104,650
Answer: 15 hours and 10 minutes
Hope this helps!
Answer:
What do you want me to do? It is already solved
Step-by-step explanation: