It would depend if they are going to the same work or not.
Sin x =11.r
We know tan x = sin x divided cos x
If you plug in 11 instead of tan x and r for cos x you will have the answer
First you multiply the numbers you do have to get the number your looking for 1/7•14=2 and 2divided by 1/7=14 so 2 would be your answer
Answer:
I thinks they take 5 hours to meet each other