How do you calculate #tan^-1 (12.4304)#?
One can compute
Within the context of this question if you take tangent of the angle
Another way of writing
They both mean the same thing. I much prefer the second one as there is no confusion as to what it means when someone first comes across the format
They, in error, could think this means
In this case the tangent is the ratio
The amount of up or down for the amount of 1 along.
This should sound familiar!
Using the calculator