Considering the following dataset, how do I find the angle when the two lines intersect at time 4. Please not that the two lines don't represent a function, this is just a data set.
Time Line 1 Line 2 0 20 19.95 1 20.5 20 2 21 20.05 3 20.5 20 4 22 23 5 23 25
Thanks for the help!